AnkitRai01
AnkitRai01
  1. Python | Plotting Google Map using gmplot package
  2. Python | Writing to an excel file using openpyxl module
  3. Python | Get a set of places according to search query using Google Places API
  4. Python | Find current weather of any city using openweathermap API
  5. Python | Calculate distance and duration between two places using google distance matrix API
  6. Python | Calculate geographic coordinates of places using google geocoding API
  7. Python | Reading an excel file using openpyxl module
  8. Python | Program to implement Rock paper scissor game
  9. Program to print Collatz Sequence
  10. Python | Play a video in reverse mode using OpenCV
  11. Program to print all the numbers divisible by 3 and 5 for a given number
  12. Python | Get a google map image of specified location using Google Static Maps API
  13. Program to check if a string contains any special character
  14. Python | Django Admin Interface
  15. Python | Plotting Google Map using folium package
  16. Python | Program that matches a word containing 'g' followed by one or more e's using regex
  17. Python | Simple registration form using Tkinter
  18. Python | Simple GUI calculator using Tkinter
  19. Python | Program to accept the strings which contains all vowels
  20. Python | Find Live running status and PNR of any train using Railway API
  21. Python | Plotting Data on Google Map using pygmaps package
  22. Python | Distance-time GUI calculator using Tkinter
  23. Python | ASCII art using pyfiglet module
  24. Python | Arithmetic operations in excel file using openpyxl
  25. Python | Adjusting rows and columns of an excel file using openpyxl module
  26. Python | Plotting charts in excel sheet using openpyxl module | Set - 1
  27. Python | random.sample() function
  28. Python | Plotting charts in excel sheet using openpyxl module | Set – 2
  29. Python | Trigonometric operations in excel file using openpyxl
  30. Python | Plotting charts in excel sheet using openpyxl module | Set 3
  31. Python | Create and write on excel file using xlsxwriter module
  32. Creating a Pandas Series from Dictionary
  33. Generating Word Cloud in Python | Set 2
  34. Python | Plotting Area charts in excel sheet using XlsxWriter module
  35. Python | Getting started with SymPy module
  36. Python | Plotting bar charts in excel sheet using XlsxWriter module
  37. Python | Plotting Radar charts in excel sheet using XlsxWriter module
  38. Python | Program to implement Jumbled word game
  39. Python | Plotting scatter charts in excel sheet using XlsxWriter module
  40. Python | Plotting column charts in excel sheet using XlsxWriter module
  41. Python | Program to implement simple FLAMES game
  42. Python | Program to generate one-time password (OTP)
  43. Python | Plotting Pie charts in excel sheet using XlsxWriter module
  44. Python | Real time currency convertor using Tkinter
  45. Python | Get the real time currency exchange rate
  46. Python | Plotting Doughnut charts in excel sheet using XlsxWriter module
  47. Python | Plotting Stock charts in excel sheet using XlsxWriter module
  48. Python | Plotting Line charts in excel sheet using XlsxWriter module
  49. Python | Plotting Combined charts in excel sheet using XlsxWriter module
  50. Difference of two columns in Pandas dataframe
  51. Python | Real time weather detection using Tkinter
  52. Python | Plotting an Excel chart with pattern fills in column using XlsxWriter module
  53. Python | Plotting Different types of style charts in excel sheet using XlsxWriter module
  54. Python | Working with Pandas and XlsxWriter | Set - 1
  55. Python | Adding a Chartsheet in an excel sheet using XlsxWriter module
  56. Split a text column into two columns in Pandas DataFrame
  57. Python | Plotting an Excel chart with Gradient fills using XlsxWriter module
  58. Python | Plotting column charts in excel sheet with data tables using XlsxWriter module
  59. Python | Plotting charts in excel sheet with Data Tools using XlsxWriter module | Set - 1
  60. Python | Working with Pandas and XlsxWriter | Set – 2
  61. Python | Working with Pandas and XlsxWriter | Set – 3
  62. Python | Plotting charts in excel sheet with data tools using XlsxWriter module | Set – 2
  63. Creating a dataframe using Excel files
  64. Python | Tokenize text using TextBlob
  65. Different ways to iterate over rows in Pandas Dataframe
  66. Python | Simple FLAMES game using Tkinter
  67. Selecting rows in pandas DataFrame based on conditions
  68. Creating a Pandas Series from Lists
  69. Python | Lemmatization with TextBlob
  70. Python | Display images with PyGame
  71. Python | Part of Speech Tagging using TextBlob
  72. Python | Display text to PyGame window
  73. Python | Drawing different shapes on PyGame window
  74. Formatting integer column of Dataframe in Pandas
  75. Python | Sentiment Analysis using VADER
  76. Python program to check if a given string is Keyword or not
  77. Python | Check if string is a valid identifier
  78. Python | Check if given string is numeric or not
  79. Check if email address valid or not in Python
  80. Python program to validate an IP Address
  81. Python regex | Check whether the input is Floating point number or not
  82. Python Regex - Program to accept string starting with vowel
  83. Python Regex | Program to accept string ending with alphanumeric character
  84. Python program to print all Strong numbers in given list
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  1. Position of rightmost set bit
  2. Largest Sum Contiguous Subarray
  3. Maximum size square sub-matrix with all 1s
  4. Check for balanced parentheses in an expression
  5. Program for Fibonacci numbers
  6. Longest Increasing Subsequence | DP-3
  7. Count total set bits in all numbers from 1 to n
  8. Egg Dropping Puzzle | DP-11
  9. Floyd Warshall Algorithm | DP-16
  10. Bellman–Ford Algorithm | DP-23
  11. Binary representation of a given number
  12. Find position of the only set bit
  13. Longest Common Substring | DP-29
  14. Program for nth Catalan Number
  15. Find k closest elements to a given value
  16. Shortest Common Supersequence
  17. Count even length binary sequences with same sum of first and second half bits
  18. Volume of cube using its space diagonal
  19. A Space Optimized Solution of LCS
  20. Dynamic Programming | High-effort vs. Low-effort Tasks Problem
  21. Maximum sum of i*arr[i] among all rotations of a given array
  22. Calculate sum of all numbers present in a string
  23. Minimum cost to fill given weight in a bag
  24. Maximum weight path ending at any element of last row in a matrix
  25. Calculate XOR from 1 to n.
  26. Count All Palindromic Subsequence in a given String
  27. Recursively break a number in 3 parts to get maximum sum
  28. Path with maximum average value
  29. Maximum sum of pairs with specific difference
  30. Maximum sum alternating subsequence
  31. Count All Palindrome Sub-Strings in a String | Set 1
  32. Maximum subsequence sum such that no three are consecutive
  33. Maximum path sum for each position with jumps under divisibility condition
  34. Check if all rows of a matrix are circular rotations of each other
  35. LCS (Longest Common Subsequence) of three strings
  36. Count of acute, obtuse and right triangles with given sides
  37. Friends Pairing Problem
  38. Maximum path sum that starting with any cell of 0-th row and ending with any cell of (N-1)-th row
  39. Gold Mine Problem
  40. Highway Billboard Problem
  41. Convert decimal fraction to binary number
  42. Find number of endless points
  43. Subset with sum divisible by m
  44. Program to find second most frequent character
  45. Minimum steps to minimize n as per given condition
  46. Generate all rotations of a given string
  47. Shortest Uncommon Subsequence
  48. Number of times the largest perfect square number can be subtracted from N
  49. Ways to sum to N using array elements with repetition allowed
  50. Maximum sum in a 2 x n grid such that no two elements are adjacent
  51. Check if two numbers are bit rotations of each other or not
  52. Check whether given string can be generated after concatenating given strings
  53. Minimum time to write characters using insert, delete and copy operation
  54. Regular polygon using only 1s in a binary numbered circle
  55. Number of integral solutions of the equation x1 + x2 +.... + xN = k
  56. Slope of the line parallel to the line with the given slope
  57. Count Balanced Binary Trees of Height h
  58. Painting Fence Algorithm
  59. Length of the transverse common tangent between the two non intersecting circles
  60. To check divisibility of any large number by 999
  61. Printing Items in 0/1 Knapsack
  62. Number of n-digits non-decreasing integers
  63. Remove one bit from a binary number to get maximum value
  64. Divide the two given numbers by their common divisors
  65. Count of Palindromic substrings in an Index range
  66. Program to calculate the number of odd days in given number of years
  67. Quick way to check if all the characters of a string are same
  68. Maximum number of 3-person teams formed from two groups
  69. Program to check if input is an integer or a string
  70. String which when repeated exactly K times gives a permutation of S
  71. Check if a large number can be divided into two or more segments of equal sum
  72. Print matrix after applying increment operations in M ranges
  73. Subset Sum Problem in O(sum) space
  74. Print the following pyramid pattern
  75. Minimum Number of Manipulations required to make two Strings Anagram Without Deletion of Character
  76. Count of sub-sequences which satisfy the given condition
  77. Count ways to build street under given constraints
  78. Count number of paths whose weight is exactly X and has at-least one edge of weight M
  79. Greatest divisor which divides all natural number in range [L, R]
  80. Count pairs in an array such that LCM(arr[i], arr[j]) > min(arr[i],arr[j])
  81. Find an element in array such that sum of left array is equal to sum of right array
  82. Minimum number of Square Free Divisors
  83. Check if sums of i-th row and i-th column are same in matrix
  84. Check if the string contains consecutive letters and each letter occurs exactly once
  85. Lexicographically smallest permutation of {1, .. n} such that no. and position do not match
  86. Check if it is possible to reach vector B by rotating vector A and adding vector C to it
  87. Remove array end element to maximize the sum of product
  88. Value of continuous floor function : F(x) = F(floor(x/2)) + x
  89. Permutations to arrange N persons around a circular table
  90. Distributing all balls without repetition
  91. To check whether a large number is divisible by 7
  92. Number of ways to arrange N items under given constraints
  93. Number of closing brackets needed to complete a regular bracket sequence
  94. Count all subsequences having product less than K
  95. Longest Repeated Subsequence
  96. Check if a two character string can be made using given words
  97. Find if it is possible to make a binary string which contanins given number of "0", "1" , "01" and "10" as sub sequences
  98. Smallest integer with digit sum M and multiple of N
  99. Number of subarrays having absolute sum greater than K | Set-2
  100. Replace two substrings (of a string) with each other
  101. Tile Stacking Problem
  102. Maximum and Minimum value of a quadratic function
  103. Minimum area of a Polygon with three points given
  104. Print Longest Palindromic Subsequence
  105. Program to find the number of region in Planar Graph
  106. Eulerian Number
  107. Different ways to sum n using numbers greater than or equal to m
  108. Maximum possible elements which are divisible by 2
  109. Convert the ASCII value sentence to its equivalent string
  110. Print first N Mosaic numbers
  111. Check if the given string is the same as its reflection in a mirror
  112. Find the Kth smallest element in the sorted generated array
  113. Distance between two closest minimum
  114. Check if a given string is made up of two alternating characters
  115. Count ways to divide circle using N non-intersecting chords
  116. Minimum sum of multiplications of n numbers
  117. Area of hexagon with given diagonal length
  118. Program to copy the contents of one array into another in the reverse order
  119. Calculate area of pentagon with given diagonal
  120. Maximize the sum of selected numbers from an array to make it empty
  121. Sum of columns of a 2-D Matrix where first element is odd
  122. Dyck Words of given length
  123. Longest string in non-decreasing order of ASCII code and in arithmetic progression
  124. Sum of each element raised to (prime-1) % prime
  125. Expressing factorial n as sum of consecutive numbers
  126. Count numbers from range whose prime factors are only 2 and 3
  127. Find frequency of each word in a string in Python
  128. Check if number can be displayed using seven segment led
  129. Check if it possible to partition in k subarrays with equal sum
  130. Longest Common Substring (Space optimized DP solution)
  131. Count pairs in an array which have at least one digit common
  132. Check if every index i has an index j such that sum of elements in both directions are equal
  133. Print equal sum sets of array (Partition Problem) | Set 2
  134. Find a permutation such that number of indices for which gcd(p[i], i) > 1 is exactly K
  135. Maximum in an array that can make another array sorted
  136. Check if a number can be expressed as a^b | Set 2
  137. Count pairs with set bits sum equal to K
  138. Program to find Nth term of series 1, 3, 12, 60, 360…
  139. Python | Count the Number of matching characters in a pair of string
  140. First X vowels from a string
  141. Find a Symmetric matrix of order N that contain integers from 0 to N-1 and main diagonal should contain only 0's
  142. Sum of multiplication of triplet of divisors of a number
  143. Number of elements with even factors in the given range
  144. Find the lexicographical next balanced bracket sequence
  145. Repeated Character Whose First Appearance is Leftmost
  146. Program to check similarity of given two triangles
  147. Count the number of intervals in which a given value lies
  148. Degree of a Cycle Graph
  149. Minimum number of adjacent swaps for arranging similar elements together
  150. Find a non empty subset in an array of N integers such that sum of elements of subset is divisible by N
  151. Minimum inverting factor in an array
  152. Bitwise OR (or | ) of a range
  153. Make all numbers of an array equal
  154. All pairs whose xor gives unique prime
  155. Area of the Largest Triangle inscribed in a Hexagon
  156. Previous greater element
  157. Python program to print even length words in a string
  158. Find three integers less than or equal to N such that their LCM is maximum
  159. Print all prime numbers less than or equal to N
  160. Python | Plotting charts in excel sheet using openpyxl module | Set - 1
  161. Shortest path on a Square
  162. Probability of rain on N+1th day
  163. Find the sum of non-prime elements in the given array
  164. Absolute difference between the first X and last X Digits of N
  165. Check if it is possible to create a polygon with a given angle
  166. Sum of similarities of string with all of its suffixes
  167. Array Manipulation and Sum
  168. Maximum bishops that can be placed on N*N chessboard
  169. Find the multiple of x which is closest to a^b
  170. Print the corner elements and their sum in a 2-D matrix
  171. Probability that the pieces of a broken stick form a n sided polygon
  172. Remove all occurrences of a character in a string
  173. Number of ways to reach Nth floor by taking at-most K leaps
  174. Probability of a key K present in array
  175. Surd number
  176. Count pairs with Bitwise OR as Even number
  177. Minimize the difference between minimum and maximum elements
  178. Check if a key is present in every segment of size k in an array
  179. Delete array element in given index range [L - R]
  180. Check if a point lies on or inside a rectangle | Set-2
  181. Check if max occurring character of one string appears same no. of times in other
  182. Find First element in AP which is multiple of given prime
  183. Count the number of pairs that have column sum greater than row sum
  184. Cut all the rods with some length such that the sum of cut-off length is maximized
  185. Number of possible pairs of Hypotenuse and Area to form right angled triangle
  186. Subtraction of two numbers using 2's Complement
  187. Count strings with consonants and vowels at alternate position
  188. Maximum number of dots after throwing a dice N times
  189. Minimum multiplications with {2, 3, 7} to make two numbers equal
  190. Printing frequency of each character just after its consecutive occurrences
  191. Alternate Primes till N
  192. Program to print the initials of a name with the surname
  193. Find the largest number that can be formed with the given digits
  194. Count no. of ordered subsets having a particular XOR value
  195. N-th term in the series 1, 11, 55, 239, 991,....
  196. Count elements in the given range which have maximum number of divisors
  197. Minimum element in a max heap
  198. Program to find number of solutions in Quadratic Equation
  199. Length of longest consecutive zeroes in the binary representation of a number.
  200. Sum of decimal equivalent of all possible pairs of Binary representation of a Number
  201. Fascinating Number
  202. Program to print half diamond Number-Star pattern
  203. Program to find Nth term in the series 0, 2, 1, 3, 1, 5, 2, 7, 3,…
  204. Complement of a number with any base b
  205. Minimize ASCII values sum after removing all occurrences of one character
  206. Minimum number of square tiles required to fill the rectangular floor
  207. Maximize the profit by selling at-most M products
  208. Program to check if an array is bitonic or not
  209. Find Nth term of series 1, 4, 15, 72, 420...
  210. Program to check whether 4 points in a 3-D plane are Coplanar
  211. Count number of triplets with product equal to given number with duplicates allowed
  212. Pairs with GCD equal to one in the given range
  213. Find Nth term of the series 0, 2, 4, 8, 12, 18...
  214. Find Nth term of the series 5, 13, 25, 41, 61...
  215. Check whether a given point lies on or inside the rectangle | Set 3
  216. Program to find the percentage of difference between two numbers
  217. Program to find the Nth term of the series 3, 20, 63, 144, 230, ……
  218. Program to find the Nth term of series 5, 10, 17, 26, 37, 50, 65, 82, ...
  219. Program to find the Nth term of series 0, 4, 14, 30, 51, 80, 114, 154, 200, ...
  220. Number of divisors of a given number N which are divisible by K
  221. Number of substrings of one string present in other
  222. Program to count number of distinct Squares and Cubes upto N
  223. Coin game of two corners (Greedy Approach)
  224. Find Nth term of the series 3, 14, 39, 84...
  225. Check if a number with even number of digits is palindrome or not
  226. Find area of parallelogram if vectors of two adjacent sides are given
  227. Print elements that can be added to form a given sum
  228. Calculate the total fine to be collected
  229. Find Nth term of the series 1, 1, 2, 6, 24...
  230. Replace every element of the array by sum of all other elements
  231. Program to calculate Profit Or Loss
  232. Check if a String can be converted to Pangram in K changes
  233. Check if a number is divisible by 23 or not
  234. Concatenate strings in any order to get Maximum Number of "AB"
  235. Check if a number is divisible by 41 or not
  236. Total character pairs from two strings, with equal number of set bits in their ascii value
  237. Program to find Length of Bridge using Speed and Length of Train
  238. Find four factors of N with maximum product and sum equal to N
  239. Minimum number of elements to be removed to make XOR maximum
  240. Check if the given chessboard is valid or not
  241. Check if any large number is divisible by 19 or not
  242. Check if any large number is divisible by 17 or not
  243. Sum of Factors of a Number using Prime Factorization
  244. Largest rectangle that can be inscribed in a semicircle
  245. Find the number after successive division
  246. Area of circle inscribed within rhombus
  247. Program to calculate Root Mean Square
  248. Find the sum of series 0.X + 0.XX + 0.XXX +... upto k terms
  249. Area of a largest square fit in a right angle triangle
  250. Minimum Players required to win the game
  251. Program to find total number of edges in a Complete Graph
  252. Check if given string can be formed by two other strings or their permutations
  253. Sum of Digits in a^n till a single digit
  254. Find bitwise AND (&) of all possible sub-arrays
  255. Minimum length of string having all permutation of given string.
  256. Find bitwise OR of all possible sub-arrays
  257. Product of 2 numbers using recursion | Set 2
  258. Largest triangle that can be inscribed in a semicircle
  259. Minimize the length of string by removing occurrence of only one character
  260. Find the sum of n terms of the series 1,8,27,64 ....
  261. Find the sum of the series 2, 5, 13, 35, 97...
  262. Find Nth term of the series 0, 6, 0, 12, 0, 90...
  263. Find maximum points which can be obtained by deleting elements from array
  264. Probability of getting a sum on throwing 2 Dices N times
  265. Length of longest rod that can fit into a cuboid
  266. Minimum no. of operations required to make all Array Elements Zero
  267. Largest trapezoid that can be inscribed in a semicircle
  268. Area of Largest rectangle that can be inscribed in an Ellipse
  269. Count common subsequence in two strings
  270. Perfect cube greater than a given number
  271. Count pairs (a, b) whose sum of squares is N (a^2 + b^2 = N)
  272. Count the number of ways to traverse a Matrix
  273. Check if lowercase and uppercase characters are in same order
  274. Largest triangle that can be inscribed in an ellipse
  275. Program to print elements of a Matrix row-wise skipping alternate elements
  276. Program to find the Volume of an irregular tetrahedron
  277. Divide a number into two parts such that sum of digits is maximum
  278. Find sum of product of number in given series
  279. Find area of triangle if two vectors of two adjacent sides are given
  280. Find the sum of the series x(x+y) + x^2(x^2+y^2) +x^3(x^3+y^3)+ ... + x^n(x^n+y^n)
  281. Program to find Nth term of the series 2, 4, 3, 4, 15...
  282. Ratio of mth and nth term in an Arithmetic Progression (AP)
  283. Area of a circle inscribed in a regular hexagon
  284. Replace every character of a string by a different character
  285. Program to find Circuit Rank of an Undirected Graph
  286. Check if two arrays are permutations of each other using Mathematical Operation
  287. Program to find the value of tan(nΘ)
  288. Program to find N-th term of series 3, 5, 33, 35, 53....
  289. Program to find the value of sin(nΘ)
  290. First triangular number whose number of divisors exceeds N
  291. Find an element in an array such that elements form a strictly decreasing and increasing sequence
  292. Program to convert KiloBytes to Bytes and Bits
  293. Minimum cost to buy N kilograms of sweet for M persons
  294. Program to find the N-th term of series 3, 5, 33, 35, 53…. | Set-2
  295. Maximum Sum of Products of Two Arrays
  296. Minimum odd cost path in a matrix
  297. Maximize the value of A by replacing some of its digits with digits of B
  298. Find number of magical pairs of string of length L
  299. Check if any square (with one colored cell) can be divided into two equal parts
  300. Set the rightmost off bit
  301. Generating numbers that are divisor of their right-rotations
  302. Area of a square inscribed in a circle which is inscribed in an equilateral triangle
  303. Program to find the Centroid of the triangle
  304. Number of Co-prime pairs from 1 to N with product equals to N
  305. Sum of the first N terms of the series 5,12, 23, 38....
  306. Find the GCD of N Fibonacci Numbers with given Indices
  307. Sum of the first N terms of the series 2,10, 30, 68,....
  308. Number of unique permutations starting with 1 of a Binary String
  309. Minimum increment in the sides required to get non-negative area of a triangle
  310. Find two distinct prime numbers with given product
  311. Program to find the Nth Harmonic Number
  312. Program to find Nth term of series 0, 9, 22, 39, 60, 85, 114, 147, .....
  313. Program to find Nth term of series 1, 6, 17, 34, 56, 86, 121, 162, .......
  314. Program to find Nth term of series 3, 12, 29, 54, 86, 128, 177, 234, .....
  315. Program to find the Radius of the incircle of the triangle
  316. Check if an array is Wave Array
  317. Rearrange the string to maximize the number of palindromic substrings
  318. Number of solutions of n = x + n ⊕ x
  319. Find count of Almost Prime numbers from 1 to N
  320. Absolute difference between sum and product of roots of a quartic equation
  321. Program to print the Cot Bed Pattern
  322. Sum of nth terms of Modified Fibonacci series made by every pair of two arrays
  323. Number of ways to choose a pair containing an even and an odd number from 1 to N
  324. Program to find the Circumcircle of any regular polygon
  325. Program to find the angles of a quadrilateral
  326. Minimum and maximum number of N chocolates after distribution among K students
  327. Sum of the first N Prime numbers
  328. Check if a cell can be visited more than once in a String
  329. Minimize the total number of teddies to be distributed
  330. Next greater Number than N with the same quantity of digits A and B
  331. Number of solutions for x < y, where a <= x <= b and c <= y <= d and x, y are integers
  332. Check if it is possible to return to the starting position after moving in the given directions
  333. Find the number of rectangles of size 2*1 which can be placed inside a rectangle of size n*m
  334. Sum of all the prime numbers in a given range
  335. Number of solutions for the equation x + y + z <= n
  336. Check if a string can be rearranged to form special palindrome
  337. Sum of all the elements in an array divisible by a given number K
  338. Program to find the maximum element in a Matrix
  339. Count all the numbers in a range with smallest factor as K
  340. Program to print the pattern with two hollow Triangles
  341. Count pairs (i,j) such that (i+j) is divisible by A and B both
  342. Value of the series (1^3 + 2^3 + 3^3 + ... + n^3) mod 4 for a given n
  343. Print N lines of 4 numbers such that every pair among 4 numbers has a GCD K
  344. Minimum increment operations to make the array in increasing order
  345. Sum of squares of Fibonacci numbers
  346. Check whether product of 'n' numbers is even or odd
  347. Sum of Fibonacci Numbers with alternate negatives
  348. Program to print Hut Star pattern
  349. Find Sum of Series 1^2 - 2^2 + 3^2 - 4^2 ..... upto n terms
  350. Minimum number of Parentheses to be added to make it valid
  351. Check if a number is Primorial Prime or not
  352. Print all Prime Quadruplet of a number less than it
  353. Minimum sum falling path in a NxN grid
  354. Check if at least half array is reducible to zero by performing some operations
  355. Number of groups of magnets formed from N magnets
  356. All possible co-prime distinct element pairs within a range [L, R]
  357. Check if a string is the typed name of the given name
  358. Ways of dividing a group into two halves such that two elements are in different groups
  359. Count of common multiples of two numbers in a range
  360. Find Tangent at a given point on the curve
  361. Calculate Stirling numbers which represents the number of ways to arrange r objects around n different circles
  362. Sort only non-prime numbers of an array in increasing order
  363. Minimum number of towers required such that every house is in the range of at least one tower
  364. Find the longest common prefix between two strings after performing swaps on second string
  365. Number of permutations of a string in which all the occurrences of a given character occurs together
  366. Program to calculate area of inner circle which passes through center of outer circle and touches its circumference
  367. Program to find sum of 1 + x/2! + x^2/3! +...+x^n/(n+1)!
  368. Minimum swaps required to convert one binary string to another
  369. Number of squares of side length required to cover an N*M rectangle
  370. Maximum count of equal numbers in an array after performing given operations
  371. Check if the characters of a given string are in alphabetical order
  372. Maximum number of fixed points using atmost 1 swap
  373. Maximum difference elements that can added to a set
  374. Largest element in the array that is repeated exactly k times
  375. Check if the given vectors are at equilibrium or not
  376. Program to find the Sum of each Row and each Column of a Matrix
  377. Sub-strings of length K containing same character
  378. Sum of Fibonacci numbers at even indexes upto N terms
  379. K- Fibonacci series
  380. Count numbers whose difference with N is equal to XOR with N
  381. Count unordered pairs (i,j) such that product of a[i] and a[j] is power of two
  382. Minimum sum possible of any bracket sequence of length N
  383. Check whether the vowels in a string are in alphabetical order or not
  384. Largest number divisible by 90 that can be made using 0 and 5
  385. Count numbers whose XOR with N is equal to OR with N
  386. Count number of ordered pairs with Even and Odd Product
  387. Check if the frequency of all the digits in a number is same
  388. Program to find the Area and Perimeter of a Semicircle
  389. Program to Convert Hexadecimal Number to Binary
  390. Print a number containing K digits with digital root D
  391. Minimum time to reach a point with +t and -t moves at time t
  392. Program to find the Perimeter of a Regular Polygon
  393. Count the numbers < N which have equal number of divisors as K
  394. Minimum swaps required to make a binary string alternating
  395. Number of anomalies in an array
  396. Equation of parabola from its focus and directrix
  397. Find the foot of perpendicular of a point in a 3 D plane
  398. Find amount to be added to achieve target ratio in a given mixture
  399. Find time taken for signal to reach all positions in a string
  400. Maximum points of intersection n lines
  401. Problem of 8 Neighbours of an element in a 2-D Matrix
  402. Equation of ellipse from its focus, directrix, and eccentricity
  403. Find single Movement in a Matrix
  404. Number of cells in the right and left diagonals passing through (x, y) in a matrix
  405. Lexicographically smallest permutation with no digits at Original Index
  406. Maximum difference of indices (i, j) such that A[i][j] = 0 in the given matrix
  407. Smallest odd digits number not less than N
  408. Largest number smaller than or equal to N divisible by K
  409. Minimum Cuts can be made in the Chessboard such that it is not divided into 2 parts
  410. Smallest number greater than or equal to N divisible by K
  411. Minimize the value of N by applying the given operations
  412. Absolute Difference of even and odd indexed elements in an Array
  413. Largest N digit number divisible by given three numbers
  414. Largest number not greater than N all the digits of which are odd
  415. Check if any permutation of a number is divisible by 3 and is Palindromic
  416. Maximum sum and product of the M consecutive digits in a number
  417. Mode
  418. Index with Minimum sum of prefix and suffix sums in an Array
  419. Partition an array such into maximum increasing segments
  420. Find if array has an element whose value is half of array sum
  421. GCD of a number raised to some power and another number
  422. Minimum cuts required to divide the Circle into equal parts
  423. Find the count of Strictly decreasing Subarrays
  424. Program to find the profit or loss when CP of N items is equal to SP of M items
  425. Find minimum operations needed to make an Array beautiful
  426. Minimum number of cuts required to make circle segments equal sized
  427. Minimum deletions from string to reduce it to string with at most 2 unique characters
  428. Game of stones
  429. Steps to reduce N to zero by subtracting its most significant digit at every step
  430. Find two numbers with sum and product both same as N
  431. Number of matches required to find the winner
  432. Maximum no. of apples that can be kept in a single basket
  433. In-Place Merge Sort
  434. Check whether count of distinct characters in a string is Prime or not
  435. Check if a prime number can be expressed as sum of two Prime Numbers
  436. Sum of the elements from index L to R in an array when arr[i] = i * (-1)^i
  437. Check if a large number is divisible by 75 or not
  438. Probability of getting more value in third dice throw
  439. Count of cyclic permutations having XOR with other binary string as 0
  440. Check whether the sum of prime elements of the array is prime or not
  441. Sort perfect squares in an array at their relative positions
  442. Split N^2 numbers into N groups of equal sum
  443. Common prime factors of two numbers
  444. Total number of subsets in which the product of the elements is even
  445. Minimum cost to cover the given positions in a N*M grid
  446. Minimum steps to convert one binary string to other only using negation
  447. Element equal to the sum of all the remaining elements
  448. Number of ways to reach the end of matrix with non-zero AND value
  449. Check whether an Array is Subarray of another Array
  450. Indexed Sequential Search
  451. Program to convert given Matrix to a Diagonal Matrix
  452. Largest perfect square number in an Array
  453. Number of pairs with Bitwise OR as Odd number
  454. Count number of triplets (a, b, c) such that a^2 + b^2 = c^2 and 1 <= a <= b <= c <= n
  455. Minimum sum of the elements of an array after subtracting smaller elements from larger
  456. Nth number made up of odd digits only
  457. Find a point that lies inside exactly K given squares
  458. Find sum of a number and its maximum prime factor
  459. Find minimum steps required to reach the end of a matrix | Set - 1
  460. Find position of left most dis-similar bit for two numbers
  461. Add N digits to A such that it is divisible by B after each addition
  462. Number of moves required to guess a permutation.
  463. Sum of elements whose square root is present in the array
  464. Find element position in given monotonic sequence
  465. Find the intersection of two Matrices
  466. Program to find first N Iccanobif Numbers
  467. Find smallest and largest element from square matrix diagonals
  468. Frequency of each element of an array of small ranged values
  469. Minimum range increment operations to Sort an array
  470. Print numbers with digits 0 and 1 only such that their sum is N
  471. Minimum number of moves to make all elements equal
  472. Size of the smallest subset with maximum Bitwise OR
  473. Find number of substrings of length k whose sum of ASCII value of characters is divisible by k
  474. Find alphabet in a Matrix which has maximum number of stars around it
  475. Largest number less than N with digit sum greater than the digit sum of N
  476. Time taken by two persons to meet on a circular track
  477. Number of comparisons in each direction for m queries in linear search
  478. Replace every element of the array by its previous element
  479. Replace every element of the array by its next element
  480. Print numbers in descending order along with their frequencies
  481. Replace the middle element of matrix with sum of surrounding elements
  482. Length of longest consecutive ones by at most one swap in a Binary String
  483. Check If every group of a's is followed by a group of b's of same length
  484. Rearrange all elements of array which are multiples of x in decreasing order
  485. Sum of Bitwise-OR of all subarrays of a given Array | Set 2
  486. Sum of first N natural numbers which are divisible by X or Y
  487. Floor of every element in same array
  488. Smallest Pair Sum in an array
  489. Number of Paths of Weight W in a K-ary tree
  490. Check if a number is Triperfect Number
  491. Largest right circular cylinder within a frustum
  492. Largest right circular cylinder within a cube
  493. Larger of a^b or b^a (a raised to power b or b raised to power a)
  494. Minimum and Maximum number of pairs in m teams of n people
  495. Maximize the difference between two subsets of a set with negatives
  496. Find the only different element in an array
  497. Reverse middle words of a string
  498. Move all Uppercase char to the end of string
  499. Puzzle | 1000 light bulbs switched on/off by 1000 persons passing by
  500. Minimum moves required to change position with the given operation
  501. Interchange elements of first and last columns in matrix
  502. Reduce the array to a single element with the given operation
  503. Maximum sum of all elements of array after performing given operations
  504. Check if the given decimal number has 0 and 1 digits only
  505. Sum of elements in an array with frequencies greater than or equal to that element
  506. Largest Divisor of a Number not divisible by a perfect square
  507. Count all sub-sequences having product <= K - Recursive approach
  508. Sum of the multiples of two numbers below N
  509. Sort the array in a given index range
  510. Check if the sum of perfect squares in an array is divisible by x
  511. Permutations of string such that no two vowels are adjacent
  512. Color N boxes using M colors such that K boxes have different color from the box on its left
  513. Concatenate suffixes of a String
  514. Minimum absolute difference of a number and its closest prime
  515. Remove all continuous occurrences of 'a' and all occurrences of 'b'
  516. Count characters in a string whose ASCII values are prime
  517. Largest palindromic number in an array
  518. Minimum removals in a number to be divisible by 10 power raised to K
  519. Split a number into 3 parts such that none of the parts is divisible by 3
  520. Minimum Distance Between Words of a String
  521. Binary Search a String
  522. Sum of integers upto N with given unit digit
  523. Count numbers upto N which are both perfect square and perfect cube
  524. Check if the sum of primes is divisible by any prime from the array
  525. Average of remaining elements after removing K largest and K smallest elements from array
  526. Find numbers a and b that satisfy the given conditions
  527. Count the number of special permutations
  528. Count sub-sets that satisfy the given condition
  529. Integers from the range that are composed of a single distinct digit
  530. Sub-strings of a string that are prefix of the same string
  531. Sum of integers upto N with given unit digit (Set 2)
  532. Count numbers < = N whose difference with the count of primes upto them is > = K
  533. Leftmost and rightmost indices of the maximum and the minimum element of an array
  534. Program to generate all possible valid IP addresses from given string | Set 2
  535. Lower Insertion Point
  536. Minimum number of consecutive sequences that can be formed in an array
  537. Sum of element whose prime factors are present in array
  538. Minimum value that divides one number and divisible by other
  539. Largest palindromic prime in an array
  540. Sum of elements from an array having even parity
  541. Smallest subarray containing minimum and maximum values
  542. Check if moves in a stack or queue are possible or not
  543. Minimum steps to reach any of the boundary edges of a matrix | Set 1
  544. Side of a regular n-sided polygon circumscribed in a circle
  545. Number of pairs whose sum is a power of 2
  546. Check if the sum of distinct digits of two integers are equal
  547. Ways to fill N positions using M colors such that there are exactly K pairs of adjacent different colors
  548. Maximum GCD of N integers with given product
  549. Find minimum x such that (x % k) * (x / k) == n
  550. Generate elements of the array following given conditions
  551. Minimum K such that every substring of length atleast K contains a character c
  552. Find minimum x such that (x % k) * (x / k) == n | Set-2
  553. Minimum number of operations required to sum to binary string S
  554. Sum of kth powers of first n natural numbers
  555. Find elements of array using XOR of consecutive elements
  556. Find an integer X which is divisor of all except exactly one element in an array
  557. Program to multiply two Matrix by taking data from user
  558. Program to check the number is Palindrome or not
  559. Split a string in equal parts such that all parts are palindromes
  560. Find the maximum possible value of the minimum value of modified array
  561. Sub-strings that start and end with one character and have at least one other
  562. Area of Reuleaux Triangle
  563. Diagonal of a Regular Pentagon
  564. Diagonal of a Regular Hexagon
  565. Number of array elements derivable from D after performing certain operations
  566. Maximum number of removals of given subsequence from a string
  567. Biggest Reuleaux Triangle within A Square
  568. Count pairs in an array that hold i+j= arr[i]+arr[j]
  569. Largest hexagon that can be inscribed within a square
  570. Reach the numbers by making jumps of two given lengths
  571. Largest hexagon that can be inscribed within an equilateral triangle
  572. Minimize the maximum minimum difference after one removal from array
  573. Program for converting hours into minutes and seconds
  574. Distinct palindromic sub-strings of the given string using Dynamic Programming
  575. Count of Numbers in a Range divisible by m and having digit d in even positions
  576. A Sum Array Puzzle
  577. Count Subarrays with Consecutive elements differing by 1
  578. Buy minimum items without change and given coins
  579. Check if all elements of the array are palindrome or not
  580. Count numbers in a range that are divisible by all array elements
  581. Count common prime factors of two numbers
  582. Recursive program to insert a star between pair of identical characters
  583. Product of N with its largest odd digit
  584. Cost to make a string Panagram
  585. Remove consecutive alphabets which are in same case
  586. Diagonal of a Regular Heptagon
  587. Diagonal of a Regular Decagon
  588. Convert a String into a square matrix grid of characters
  589. Count number of step required to reduce N to 1 by following certain rule
  590. Check if N is a Factorial Prime
  591. Find the number in a range having maximum product of the digits
  592. Area of a n-sided regular polygon with given side length
  593. Area of a n-sided regular polygon with given Radius
  594. Recursive Program for Binary to Decimal
  595. Generate number with given operation and check if it is palindrome
  596. Print numbers in matrix diagonal pattern
  597. Find the sums for which an array can be divided into sub-arrays of equal sum
  598. Minimum Numbers of cells that are connected with the smallest path between 3 given cells
  599. Check if a number is perfect square without finding square root
  600. Remove exactly one element from the array such that max - min is minimum
  601. Choose n elements such that their mean is maximum
  602. Occurrences of a pattern in binary representation of a number
  603. Count distinct substrings that contain some characters at most k times
  604. Check whether a + b = c or not after removing all zeroes from a,b and c
  605. Represent n as the sum of exactly k powers of two | Set 2
  606. Apothem of a n-sided regular polygon
  607. Print all subsequences of a string using ArrayList
  608. Generate all rotations of a number
  609. Count number of pairs (i, j) such that arr[i] * arr[j] > arr[i] + arr[j]
  610. Replace all occurrences of a string with space
  611. Find probability that a player wins when probabilities of hitting the target are given
  612. Find the n-th binary string in sorted order
  613. Minimum absolute difference between N and a power of 2
  614. Minimum prime number operations to convert A to B
  615. Maximum value of arr[i] % arr[j] for a given array
  616. Check whether a number is Non-hypotenuse number
  617. Find the repeating and the missing number using two equations
  618. Replace the maximum element in the array by coefficient of range
  619. Check if a word exists in a grid or not
  620. Generate permutation of 1 to N such that absolute difference of consecutive numbers give K distinct integers
  621. Count rows in a matrix that consist of same element
  622. Number of subarrays have bitwise OR >= K
  623. Smallest multiple of 3 which consists of three given non-zero digits
  624. Largest number less than X having at most K set bits
  625. Minimum number of sets with numbers less than Y
  626. Check if it is possible to draw a straight line with the given direction cosines
  627. Minimum number N such that total set bits of all numbers from 1 to N is at-least X
  628. Find cost price from given selling price and profit or loss percentage
  629. Count of matrices (of different orders) with given number of elements
  630. Minimum elements to be added so that two matrices can be multiplied
  631. Minimum steps required to convert X to Y where a binary matrix represents the possible conversions
  632. Distribute N candies among K people
  633. Program to find nth term of the series 1 4 15 24 45 60 92
  634. Print all integers that are sum of powers of two given numbers
  635. Possible cuts of a number such that maximum parts are divisible by 3
  636. Program to delete Nth digit of a Number
  637. First and Last Three Bits
  638. K length words that can be formed from given characters without repetition
  639. Program to print Step Pattern
  640. Smallest perfect square divisible by all elements of an array
  641. Length of the longest substring with consecutive characters
  642. Largest sub-set possible for an array satisfying the given condition
  643. Smallest perfect Cube divisible by all elements of an array
  644. Weighted sum of the characters of a string in an array | Set 2
  645. Count the number of holes in an integer
  646. Recursive program to print all numbers less than N which consist of digits 1 or 3 only
  647. Cost to make a string Panagram | Set 2
  648. Convert given string so that it holds only distinct characters
  649. Find probability of selecting element from kth column after N iterations
  650. Program to check if two strings are same or not
  651. Check if a number can be expressed as sum two abundant numbers
  652. Sum of P terms of an AP if Mth and Nth terms are given
  653. Ternary Search
  654. Find nth term of the series 5 2 13 41
  655. Program to find sum of harmonic series
  656. Count number of set bits in a range using bitset
  657. Print n 0s and m 1s such that no two 0s and no three 1s are together
  658. Print all Proth primes up to N
  659. Find Pth term of a GP if Mth and Nth terms are given
  660. Count of strings that become equal to one of the two strings after one removal
  661. Largest subset where absolute difference of any two element is a power of 2
  662. Print all safe primes below N
  663. Check if it is possible to get back to 12'0 clock only by adding or subtracting given seconds
  664. Count pairs in an array such that at least one element is prime
  665. Check whether two straight lines are orthogonal or not
  666. Program for Area Of Square after N-th fold
  667. Minimize the number of replacements to get a string with same number of 'a', 'b' and 'c' in it
  668. Rearrange Odd and Even values in Alternate Fashion in Ascending Order
  669. Count of Numbers such that difference between the number and sum of its digits not less than L
  670. Count number of sub-sequences with GCD 1
  671. Print prime numbers with prime sum of digits in an array
  672. Check if a string can be repeated to make another string
  673. Largest number less than or equal to N/2 which is coprime to N
  674. Find the area of largest circle inscribed in ellipse
  675. Print multiples of Unit Digit of Given Number
  676. Check if the binary representation of a number has equal number of 0s and 1s in blocks
  677. Check whether the given character is in upper case, lower case or non alphabetic character
  678. Sort even and odd placed elements in increasing order
  679. Rectangle with minimum possible difference between the length and the width
  680. Biggest Reuleaux Triangle inscirbed within a square inscribed in a semicircle
  681. Count of values of x <= n for which (n XOR x) = (n - x)
  682. Count the numbers that can be reduced to zero or less in a game
  683. Print all multiplicative primes <= N
  684. Program to check if a number is divisible by any of its digits
  685. Find the resulting Colour Combination
  686. Generate lexicographically smallest string of 0, 1 and 2 with adjacent swaps allowed
  687. Find the final X and Y when they are Altering under given condition
  688. Remove first X rows and columns from a matrix
  689. Find array using different XORs of elements in groups of size 4
  690. Count the number of survivors
  691. Program to implement Linear Extrapolation
  692. Remove characters from a numeric string such that string becomes divisible by 8
  693. Remove any corner X rows and columns from a matrix
  694. Biggest Reuleaux Triangle inscribed within a square which is inscribed within an ellipse
  695. Largest right circular cone that can be inscribed within a sphere which is inscribed within a cube
  696. Biggest Reuleaux Triangle inscribed within a square which is inscribed within a hexagon
  697. Minimum operations of given type to make all elements of a matrix equal
  698. Count of sub-strings that are divisible by K
  699. Program to check if a number is divisible by sum of its digits
  700. Composite XOR and Coprime AND
  701. Maximum given sized rectangles that can be cut out of a sheet of paper
  702. Midpoint ellipse drawing algorithm
  703. Check if a binary string has two consecutive occurrences of one everywhere
  704. Generate a random permutation of 1 to N
  705. Check if possible to shuffle a matrix with adjacent movements
  706. Make all elements of an array equal with the given operation
  707. Check if a number can be represented as a sum of 2 triangular numbers
  708. Minimum operations of the given type required to make a complete graph
  709. Count of pairs of (i, j) such that ((n % i) % j) % n is maximized
  710. Count number of trailing zeros in (1^1)*(2^2)*(3^3)*(4^4)*..
  711. Largest sphere that can be inscribed in a right circular cylinder inscribed in a frustum
  712. Check whether XOR of all numbers in a given range is even or odd
  713. Minimum positive integer divisible by C and is not in range [A, B]
  714. Number of unique pairs in an array
  715. Count all Prime Length Palindromic Substrings
  716. Array element with minimum sum of absolute differences
  717. Maximum GCD from Given Product of Unknowns
  718. Count operations of the given type required to reduce N to 0
  719. Check if a + b = c is valid after removing all zeroes from a, b and c
  720. Decrypt a string encrypted by repeating i-th character i times
  721. Arrange first N natural numbers such that absolute difference between all adjacent elements > 1
  722. Increasing sequence with given GCD
  723. Minimum replacements to make adjacent characters unequal in a ternary string
  724. Filling diagonal to make the sum of every row, column and diagonal equal of 3x3 matrix
  725. Program to find LCM of two Fibonnaci Numbers
  726. Maximum subarray sum in array formed by repeating the given array k times
  727. Closest sum partition (into two subsets) of numbers from 1 to n
  728. Find two numbers whose divisors are given in a random order
  729. Number of Simple Graph with N Vertices and M Edges
  730. Smallest integer greater than n such that it consists of digit m exactly k times
  731. Minimum operations required to make all the array elements equal
  732. Check if a binary string contains consecutive same or not
  733. Cost of painting n * m grid
  734. Count Odd and Even numbers in a range from L to R
  735. Generate minimum sum sequence of integers with even elements greater
  736. Find the lexicographically largest palindromic Subsequence of a String
  737. Validation of Equation Given as String
  738. Count of sub-sets of size n with total element sum divisible by 3
  739. Count occurrences of a string that can be constructed from another given string
  740. Split the array into equal sum parts according to given conditions
  741. Form lexicographically smallest string with minimum replacements having equal number of 0s, 1s and 2s
  742. Modify the string by swapping continuous vowels or consonants
  743. Ways to divide a binary array into sub-arrays such that each sub-array contains exactly one 1
  744. Program to Assign grades to a student using Nested If Else
  745. Count of alphabets whose ASCII values can be formed with the digits of N
  746. Make palindromic string non-palindromic by rearranging its letters
  747. Minimum spanning tree cost of given Graphs
  748. Find the winner by adding Pairwise difference of elements in the array until Possible
  749. Maximum number of teams that can be formed with given persons
  750. Maximum count of sub-strings of length K consisting of same characters
  751. Minimum operations required to modify the array such that parity of adjacent elements is different
  752. Maximize the subarray sum after multiplying all elements of any subarray with X
  753. Maximize the value of x + y + z such that ax + by + cz = n
  754. Maximum money that can be withdrawn in two steps
  755. Number of sub-strings that contain the given character exactly k times
  756. Find integers that divides maximum number of elements of the array
  757. Find M-th number whose repeated sum of digits of a number is N
  758. Total position where king can reach on a chessboard in exactly M moves
  759. Maximum size of sub-array that satisfies the given condition
  760. Find minimum difference between any two elements | Set 2
  761. Maximum sum after repeatedly dividing N by a divisor
  762. Find the cordinates of the fourth vertex of a rectangle with given 3 vertices
  763. Minimum number of operations to move all uppercase characters before all lower case characters
  764. Count triplet pairs (A, B, C) of points in 2-D space that satisfy the given condition
  765. Minimum value to be added to X such that it is at least Y percent of N
  766. Choose points from two ranges such that no point lies in both the ranges
  767. Number of ways to choose an integer such that there are exactly K elements greater than it in the given array
  768. Find maximum operations to reduce N to 1
  769. Find frequency of smallest value in an array
  770. Find Intersection of all Intervals
  771. Count of unique pairs (arr[i], arr[j]) such that i < j
  772. Minimum number of operations on an array to make all elements 0
  773. Count the number of rhombi possible inside a rectangle of given size
  774. Acronym words
  775. Maximize the sum of products of the degrees between any two vertices of the tree
  776. Maximum number of segments that can contain the given points
  777. Maximum length subsequence such that adjacent elements in the subsequence have a common factor
  778. Find sub-matrix with the given sum
  779. Modify a binary array to Bitwise AND of all elements as 1
  780. Count all possible N digit numbers that satisfy the given condition
  781. Minimum elements to be removed such that sum of adjacent elements is always odd
  782. Count possible moves in the given direction in a grid
  783. Minimum number of given operations required to convert a string to another string
  784. Program for power of a complex number in O(log n)
  785. Total number of days taken to complete the task if after certain days one person leaves
  786. Composite numbers with digit sum 1
  787. Generate a string consisting of characters 'a' and 'b' that satisfy the given conditions
  788. Length of the longest alternating subarray
  789. Check if a string can be converted to another string by replacing vowels and consonants
  790. Minimum replacements to make adjacent characters unequal in a ternary string | Set-2
  791. Numbers less than N that are perfect cubes and the sum of their digits reduced to a single digit is 1
  792. Minimize the sum of squares of sum of N/2 paired formed by N numbers
  793. Check whether the point (x, y) lies on a given line
  794. Count of pairs (x, y) in an array such that x < y
  795. Maximize the maximum among minimum of K consecutive sub-arrays
  796. Sum of XOR of all subarrays
  797. Sum of bitwise AND of all subarrays
  798. Merge K sorted arrays | Set 3 ( Using Divide and Conquer Approach )
  799. Find index i such that prefix of S1 and suffix of S2 till i form a palindrome when concatenated
  800. Find a positive number M such that gcd(N^M, N&M) is maximum
  801. Minimum index i such that all the elements from index i to given index are equal
  802. Find the longest Fibonacci-like subarray of the given array
  803. Find a permutation of 2N numbers such that the result of given expression is exactly 2K
  804. Queries for number of distinct integers in Suffix
  805. Given two binary strings perform operation until B > 0 and print the result
  806. Count primes that can be expressed as sum of two consecutive primes and 1
  807. Iterating over all possible combinations in an Array using Bits
  808. Check whether two strings are equivalent or not according to given condition
  809. Longest subsequence having greater corner values
  810. Smallest Special Prime which is greater than or equal to a given number
  811. Ways to form an array having integers in given range such that total sum is divisible by 2
  812. Minimum number of elements that should be removed to make the array good
  813. Select numbers in such way to maximize the amount of money
  814. Minimum removals to make array sum odd
  815. Check whether the number can be made perfect square after adding 1
  816. Number of Hamiltonian cycle
  817. Split the array into odd number of segments of odd lengths
  818. Maximum Bitwise AND pair from given range
  819. Sum of all Submatrices of a Given Matrix
  820. Find whether only two parallel lines contain all coordinates points or not
  821. Longest sub-sequence of array containing Lucas numbers
  822. XOR of a submatrix queries
  823. Find the minimum number of preprocess moves required to make two strings equal
  824. Minimum LCM and GCD possible among all possible sub-arrays
  825. Find the Nth term of the series where each term f[i] = f[i - 1] - f[i - 2]
  826. Maximum product from array such that frequency sum of all repeating elements in product is less than or equal to 2 * k
  827. Sort the numbers according to their sum of digits
  828. Minimum possible sum of array elements after performing the given operation
  829. XOR of XORs of all sub-matrices
  830. Schedule elevator to reduce the total time taken
  831. Maximum length subarray with difference between adjacent elements as either 0 or 1
  832. Find Nth positive number whose digital root is X
  833. Number of subarrays such that XOR of one half is equal to the other
  834. Bitwise AND of N binary strings
  835. Maximum length of the sub-array whose first and last elements are same
  836. Longest Sub-array with maximum average value
  837. k-th missing element in an unsorted array
  838. Maximum occurrence of prefix in the Array
  839. Count pairs (p, q) such that p occurs in array at least q times and q occurs at least p times
  840. Number of connected components in a 2-D matrix of strings
  841. Sum of even values and update queries on an array
  842. Longest subsequence such that adjacent elements have at least one common digit
  843. Minimum changes required to make a Catalan Sequence
  844. Count all elements in the array which appears at least K times after their first occurrence
  845. Numbers in a Range with given Digital Root
  846. Count of all even numbers in the range [L, R] whose sum of digits is divisible by 3
  847. Check if frequency of characters are in Recaman Series
  848. Replace every consonant sequence with its length in the given string
  849. Equation of circle when three points on the circle are given
  850. Count Hexadecimal Number
  851. Check if product of digits of a number at even and odd places is equal
  852. Character pairs from two strings with even sum
  853. Given number of matches played, find number of teams in tournament
  854. Minimize sum of adjacent difference with removal of one element from array
  855. Missing even and odd elements from the given arrays
  856. Maximum subarray sum by flipping signs of at most K array elements
  857. Group consecutive characters of same type in a string
  858. Probability of A winning the match when individual probabilities of hitting the target given
  859. Number of quadruples where the first three terms are in AP and last three terms are in GP
  860. Deletions of "01" or "10" in binary string to make it free from "01" or "10"
  861. Minimum length substring with exactly K distinct characters
  862. Find the first maximum length even word from a string
  863. Minimum number of letters needed to make a total of n
  864. Smallest integer > 1 which divides every element of the given array
  865. Print the balanced bracket expression using given brackets
  866. Series summation if T(n) is given and n is very large
  867. Maximize profit when divisibility by two numbers have associated profits
  868. Encrypt a string by repeating i-th character i times
  869. Maximum number that can be display on Seven Segment Display using N segments
  870. Number of ways to remove elements to maximize arithmetic mean
  871. Maximum average of a subarray of size of atleast X and atmost Y
  872. Sum of i * countDigits(i)^2 for all i in range [L, R]
  873. Program to calculate the value of nPr
  874. Find the modified array after performing k operations of given type
  875. Check if the given array is mirror-inverse
  876. Maximize the number of sum pairs which are divisible by K
  877. Find d to maximize the number of zeros in array c[] created as c[i] = d*a[i] + b[i]
  878. Sum of elements in an array whose difference with the mean of another array is less than k
  879. Remove first adjacent pairs of similar characters until possible
  880. Number of pairs from the first N natural numbers whose sum is divisible by K
  881. Generate all the binary strings of N bits
  882. Position of the K-th set bit in a number
  883. Maximum count of pairs which generate the same sum
  884. Count integers in a range which are divisible by their euler totient value
  885. Number of ways to make binary string of length N such that 0s always occur together in groups of size K
  886. Count sub-arrays whose product is divisible by k
  887. Find foot of perpendicular from a point in 2 D plane to a Line
  888. Minimum steps to delete a string by deleting substring comprising of same characters
  889. Print a number as string of 'A' and 'B' in lexicographic order
  890. Maximum sum from three arrays such that picking elements consecutively from same is not allowed
  891. Count of buttons pressed in a keypad mobile
  892. Find a distinct pair (x, y) in given range such that x divides y
  893. Largest number N which can be reduced to 0 in K steps
  894. Sort elements of the array that occurs in between multiples of K
  895. Find the value of XXXX.....(N times) % M where N is large
  896. Find the smallest number X such that X! contains at least Y trailing zeros.
  897. Find 2^(2^A) % B
  898. Smallest index in the given array that satisfies the given condition
  899. Print the longest prefix of the given string which is also the suffix of the same string
  900. Minimum cost to reach end of array array when a maximum jump of K index is allowed
  901. Minimize the cost to split a number
  902. Maximum number of continuous Automorphic numbers
  903. Compute maximum of the function efficiently over all sub-arrays
  904. Find the maximum number of composite summands of a number
  905. Given count of digits 1, 2, 3, 4, find the maximum sum possible
  906. Determine the number of squares of unit area that a given line will pass through.
  907. Check if product of array containing prime numbers is a perfect square
  908. Count common characters in two strings
  909. Minimum value to add to arr[i] so that an array can be split at index i with equal sum
  910. Uniform Binary Search
  911. Sum of degrees of all nodes of a undirected graph
  912. Number of ways to go from one point to another in a grid
  913. Print last character of each word in a string
  914. Distinct pairs from given arrays (a[i], b[j]) such that (a[i] + b[j]) is a Fibonacci number
  915. Maximum number of candies that can be bought
  916. Total distinct pairs from two arrays such that second number can be obtained by inverting bits of first
  917. Pairs of strings which on concatenating contains each character of "string"
  918. Maximum sum possible for a sub-sequence such that no two elements appear at a distance < K in the array
  919. Total position where king can reach on a chessboard in exactly M moves | Set 2
  920. Count number of ways to reach a given score in a Matrix
  921. Find the area of the shaded region formed by the intersection of four semicircles in a square
  922. Find the original matrix when largest element in a row and a column are given
  923. Find the number of different numbers in the array after applying the given operation q times
  924. Length of the longest substring that do not contain any palindrome
  925. XOR of all the elements in the given range [L, R]
  926. Arrange given numbers to form the smallest number
  927. Area of largest Circle inscribe in N-sided Regular polygon
  928. Maximum Subarray Sum after inverting at most two elements
  929. Find the number of integers from 1 to n which contains digits 0's and 1's only
  930. Find the number of jumps to reach X in the number line from zero
  931. Element in a matrix starting from which anti-clockwise traversal ends at the last element
  932. Maximum element in a sorted and rotated array
  933. Count the number of operations required to reduce the given number
  934. Find the longest subsequence of an array having LCM at most K
  935. Sum of two numbers where one number is represented as array of digits
  936. Count number of binary strings of length N having only 0's and 1's
  937. Find original numbers from gcd() every pair
  938. Check if a given number divides the sum of the factorials of its digits
  939. Count the number of pairs (i, j) such that either arr[i] is divisible by arr[j] or arr[j] is divisible by arr[i]
  940. Maximum number of people that can be killed with strength P
  941. Sum of the series Kn + ( K(n-1) * (K-1)1 ) + ( K(n-2) * (K-1)2 ) + ....... (K-1)n
  942. Length of the smallest number which is divisible by K and formed by using 1's only
  943. Remove elements to make array sorted
  944. Find the number of binary strings of length N with at least 3 consecutive 1s
  945. Find the number of integers x in range (1,N) for which x and x+1 have same number of divisors
  946. Total number of triangles formed when there are H horizontal and V vertical lines
  947. Minimum number of given operations required to convert a permutation into an identity permutation
  948. Count distinct points visited on the number line
  949. Find the count of sub-strings whose characters can be rearranged to form the given word
  950. Count all prefixes of the given binary array which are divisible by x
  951. Reduce the fraction to its lowest form
  952. Length of the longest increasing subsequence such that no two adjacent elements are coprime
  953. Find n positive integers that satisfy the given equations
  954. Maximize the happiness of the groups on the Trip
  955. Delete odd and even numbers at alternate step such that sum of remaining elements is minimized
  956. Minimum sub-array such that number of 1's in concatenation of binary representation of its elements is at least K
  957. Shell-Metzner Sort
  958. Find the longest sub-string which is prefix, suffix and also present inside the string
  959. Find the minimum number of operations required to make all array elements equal
  960. Find missing element in a sorted array of consecutive numbers
  961. Minimum number of changes such that elements are first Negative and then Positive
  962. Length of the longest substring with no consecutive same letters
  963. Find the number of players who roll the dice when the dice output sequence is given
  964. Predict the winner of the game on the basis of absolute difference of sum by selecting numbers
  965. Divide a number into two parts
  966. Program to calculate product of digits of a number
  967. Print the first and last character of each word in a String
  968. Divide array into increasing and decreasing subsequence without changing the order
  969. Queries to answer the number of ones and zero to the left of given index
  970. Program to find the maximum difference between the index of any two different numbers
  971. Divide array into two parts with equal sum according to the given constraints
  972. Remove the first and last character of each word in a string
  973. Capitalize the first and last character of each word in a string
  974. Check if two strings are same ignoring their cases
  975. Find the sum of the number of divisors
  976. Split the array elements into strictly increasing and decreasing sequence
  977. Find the sum of digits of a number at even and odd places
  978. Find the value at kth position in the generated array
  979. Count the number of sub-arrays such that the average of elements present in the sub-array is greater than that not present in the sub-array
  980. Largest ellipse that can be inscribed within a rectangle which in turn is inscribed within a semicircle
  981. Find the lexicographically smallest string which satisfies the given condition
  982. Find the number of sub arrays in the permutation of first N natural numbers such that their median is M
  983. Find the number of divisors of all numbers in the range [1, n]
  984. Queries to check if substring[L...R] is palindrome or not
  985. Count pairs of non-overlapping palindromic sub-strings of the given string
  986. Check if matrix A can be converted to B by changing parity of corner elements of any submatrix
  987. Maximum sum of cocktail glass in a 2D matrix
  988. Number of triangles possible with given lengths of sticks which are powers of 2
  989. Count of elements whose absolute difference with the sum of all the other elements is greater than k
  990. Minimum length of the sub-string whose characters can be used to form a palindrome of length K
  991. Check whether N is a Dihedral Prime Number or not
  992. Find minimum positive integer x such that a(x^2) + b(x) + c >= k
  993. Length of the normal from origin on a straight line whose intercepts are given
  994. Number of subsequences with zero sum
  995. Count of sub-strings that do not consist of the given character
  996. Find the maximum possible value of a[i] % a[j] over all pairs of i and j
  997. Maximize the maximum subarray sum after removing atmost one element
  998. Count the pairs of vowels in the given string
  999. 3-digit Osiris number
  1000. Dudeney Numbers
  1001. Insertion and Deletion in Heaps
  1002. Building Heap from Array
  1003. Sum of elements in 1st array such that number of elements less than or equal to them in 2nd array is maximum
  1004. Calculate the loss incurred in selling the given items at discounted price
  1005. Given a string and an integer k, find the kth sub-string when all the sub-strings are sorted according to the given condition
  1006. Find the kth element in the series generated by the given N ranges
  1007. Check whether the given string is a valid identifier
  1008. Find the nth term of the given series
  1009. Count of sub-strings of length n possible from the given string
  1010. Maximum absolute difference in an array
  1011. Move all zeros to start and ones to end in an Array of random integers
  1012. Find out the minimum number of coins required to pay total amount
  1013. Longest substring of only 4's from the first N characters of the infinite string
  1014. Equation of straight line passing through a given point which bisects it into two equal line segments
  1015. Count different numbers possible using all the digits their frequency times
  1016. Find the minimum of maximum length of a jump required to reach the last island in exactly k jumps
  1017. Print all numbers whose set of prime factors is a subset of the set of the prime factors of X
  1018. Highest power of a number that divides other number
  1019. Count of sub-strings that contain character X at least once
  1020. Area of triangle formed by the axes of co-ordinates and a given straight line
  1021. Distance between two parallel lines
  1022. Check if given two straight lines are identical or not
  1023. Minimum cost to modify a string
  1024. Highest power of 2 that divides a number represented in binary
  1025. Minimum time required to transport all the boxes from source to the destination under the given constraints
  1026. Find sum of factorials in an array
  1027. Count of quadruplets with given Sum | Set 2
  1028. Find the Diameter or Longest chord of a Circle
  1029. Determine the position of the third person on regular N sided polygon
  1030. Length of the chord of the circle whose radius and the angle subtended at the center by the chord is given
  1031. Number of character corrections in the given strings to make them equal
  1032. Reorder the position of the words in alphabetical order
  1033. Given two arrays count all pairs whose sum is an odd number
  1034. Print steps to make a number in form of 2^X - 1
  1035. Length of the direct common tangent between two externally touching circles
  1036. Shortest distance from the centre of a circle to a chord
  1037. Radius of the circle when the width and height of an arc is given
  1038. Length of direct common tangent between the two non-intersecting Circles
  1039. Length of direct common tangent between two intersecting Circles
  1040. Shortest distance between a point and a circle
  1041. Count pairs with average present in the same array
  1042. Minimizing array sum by applying XOR operation on all elements of the array
  1043. Maximize the given number by replacing a segment of digits with the alternate digits given
  1044. Queries to answer the X-th smallest sub-string lexicographically
  1045. Count unique numbers that can be generated from N by adding one and removing trailing zeros
  1046. Find an index such that difference between product of elements before and after it is minimum
  1047. Find element with the maximum set bits in an array
  1048. Minimum number of cubes whose sum equals to given number N
  1049. Convert given integer X to the form 2^N - 1
  1050. Generate an array of K elements such that sum of elements is N and the condition a[i] < a[i+1] <= 2*a[i] is met | Set 2
  1051. Calculate score for the given binary string
  1052. Number of positions such that adding K to the element is greater than sum of all other elements
  1053. Count number of 1s in the array after N moves
  1054. Largest even number that can be formed by any number of swaps
  1055. Check if given Preorder, Inorder and Postorder traversals are of same tree | Set 2
  1056. Area of plot remaining at the end
  1057. Find permutation of first N natural numbers that satisfies the given condition
  1058. Minimum increments to convert to an array of consecutive integers
  1059. Make lexicographically smallest palindrome by substituting missing characters
  1060. Minimum deletions required such that any number X will occur exactly X times
  1061. Bellman Ford Algorithm (Simple Implementation)
  1062. Compare sum of first N-1 elements to Nth element of an array
  1063. Program to print an array in Pendulum Arrangement with constant space
  1064. Ratio of the distance between the centers of the circles and the point of intersection of two direct common tangents to the circles
  1065. Maximum number of edges in Bipartite graph
  1066. Minimum integer such that it leaves a remainder 1 on dividing with any element from the range [2, N]
  1067. Generate an Array in which count of even and odd sum sub-arrays are E and O respectively
  1068. Minimum number of given operations required to reduce the array to 0 element
  1069. Program to find the rate percentage from compound interest of consecutive years
  1070. Find prime number K in an array such that (A[i] % K) is maximum
  1071. Check if it is possible to make two martices strictly increasing by swapping corresponding values only
  1072. Count Pairs from two arrays with even sum
  1073. Count the number of primes in the prefix sum array of the given array
  1074. Rearrange the array to maximize the number of primes in prefix sum of the array
  1075. Check whether product of integers from a to b is positive , negative or zero
  1076. Maximum sum such that no two elements are adjacent | Set 2
  1077. Ratio of the distance between the centers of the circles and the point of intersection of two transverse common tangents to the circles
  1078. Create a sequence whose XOR of elements is y
  1079. Count squares with odd side length in Chessboard
  1080. Minimum number of sub-strings of a string such that all are power of 5
  1081. Bitwise AND of sub-array closest to K
  1082. Find letter's position in Alphabet using Bit operation
  1083. Optimal Strategy for a Game | Set 2
  1084. Number of edges in mirror image of Complete binary tree
  1085. Find minimum steps required to reach the end of a matrix | Set 2
  1086. Sum of GCDs of each row of the given matrix
  1087. Minimum number of operations on a binary string such that it gives 10^A as remainder when divided by 10^B
  1088. Queries to find the maximum Xor value between X and the nodes of a given level of a perfect binary tree
  1089. Find the index which is the last to be reduced to zero after performing a given operation
  1090. Number of common tangents between two circles if their centers and radius is given
  1091. Check if a circle lies inside another circle or not
  1092. Angle subtended by the chord when the angle subtended by another chord of same length is given
  1093. Queries for bitwise OR in the index range [L, R] of the given array
  1094. Queries for bitwise AND in the index range [L, R] of the given array
  1095. Find the time which is palindromic and comes after the given time
  1096. Find the last non repeating character in string
  1097. Find average of two numbers using bit operation
  1098. Find if nCr is divisible by the given prime
  1099. Queries for bitwise AND in the given matrix
  1100. Queries for bitwise OR in the given matrix
  1101. Generate all unique partitions of an integer | Set 2
  1102. Remove elements to make array satisfy arr[ i+1] < arr[i] for each valid i
  1103. Sort an alphanumeric string such that the positions of alphabets and numbers remain unchanged
  1104. Find the sum of numbers from 1 to n excluding those which are powers of K
  1105. Check if a string contains two non overlapping sub-strings "geek" and "keeg"
  1106. Check if the given matrix is increasing row and column wise
  1107. Check if the given Prufer sequence is valid or not
  1108. Print an N x M matrix such that each row and column has all the vowels in it
  1109. Check whether an array can be made strictly increasing by modifying atmost one element
  1110. Find the Jaccard Index and Jaccard Distance between the two given sets
  1111. Count of all possible values of X such that A % X = B
  1112. Queries to find the last non-repeating character in the sub-string of a given string
  1113. Minimize the sum after choosing elements from the given three arrays
  1114. Count the triplets such that A[i] < B[j] < C[k]
  1115. Factorial of an Array of integers
  1116. Find a triplet in an array whose sum is closest to a given number
  1117. Distance of chord from center when distance between center and another equal length chord is given
  1118. Subset with sum closest to zero
  1119. Number of subsets with zero sum
  1120. Check if each element of the given array is the product of exactly K prime numbers
  1121. Find maximum topics to prepare in order to pass the exam
  1122. Number of ways to divide an array into K equal sum sub-arrays
  1123. Check whether we can sort two arrays by swapping A[i] and B[i]
  1124. Angle subtended by the chord to center of the circle when the angle subtended by the another equal chord of a congruent circle is given
  1125. Print the node with the maximum degree in the prufer sequence
  1126. Print elements of an array according to the order defined by another array | set 2
  1127. Queries for the difference between the count of composite and prime numbers in a given range
  1128. Maximise matrix sum by following the given Path
  1129. Check whether a subsequence exists with sum equal to k if arr[i]> 2*arr[i-1]
  1130. Find the largest possible k-multiple set
  1131. Find the number of Chicks in a Zoo at Nth day
  1132. Find maximum path sum in a 2D matrix when exactly two left moves are allowed
  1133. Check if the two given stacks are same
  1134. Find the smallest positive number missing from an unsorted array : Hashing Implementation
  1135. Find the sum of the ascii values of characters which are present at prime positions
  1136. Count of three non-overlapping sub-strings which on concatenation forms a palindrome
  1137. Maximise array sum after taking non-overlapping sub-arrays of length K
  1138. Sum of XOR of all sub-arrays of length K
  1139. Count the maximum number of elements that can be selected from the array
  1140. Length of the largest substring which have character with frequency greater than or equal to half of the substring
  1141. Sum of all palindrome numbers present in an Array
  1142. Find uncommon characters of the two strings | Set 2
  1143. Minimum count of elements that sums to a given number
  1144. Maximum sum of non-overlapping subarrays of length atmost K
  1145. Queries to check whether all the elements can be made positive by flipping signs exactly K times
  1146. Count pairs of characters in a string whose ASCII value difference is K
  1147. Find a way to fill matrix with 1's and 0's in blank positions
  1148. 0-1 knapsack queries
  1149. Count number of distinct substrings of a given length
  1150. Find row with maximum and minimum number of zeroes in given Matrix
  1151. Number of 0s and 1s at prime positions in the given array
  1152. Maximum water that can be stored between two buildings
  1153. Count pairs of elements such that number of set bits in their AND is B[i]
  1154. Count of adjacent Vowel Consonant Pairs
  1155. Split the given array into K sub-arrays such that maximum sum of all sub arrays is minimum
  1156. Maximum subset sum such that no two elements in set have same digit in them
  1157. Longest prefix in a string with highest frequency
  1158. Number of ways to choose elements from the array such that their average is K
  1159. Length of longest sub-array with maximum arithmetic mean.
  1160. Queries to find the first non-repeating character in the sub-string of a string
  1161. Find the element in the matrix generated by given rules
  1162. Sum of all mersenne numbers present in an array
  1163. Longest sub-sequence that satisfies the given conditions
  1164. Maximum sub-sequence sum such that indices of any two adjacent elements differs at least by 3
  1165. Largest sub-string where all the characters appear at least K times
  1166. Print all the super diagonal elements of the given square matrix
  1167. Find the total number of composite factor for a given number
  1168. Count of substrings which contains a given character K times
  1169. Count Distinct Rectangles in N*N Chessboard
  1170. Number of sub-sequence such that it has one consecutive element with difference less than or equal to 1
  1171. Total number of odd length palindrome sub-sequence around each centre
  1172. Print Lower Hessenberg matrix of order N
  1173. Print Upper Hessenberg matrix of order N
  1174. Count common elements in two arrays containing multiples of N and M
  1175. Number of ways to get a given sum with n number of m-faced dices
  1176. Order of indices which is lexicographically smallest and sum of elements is <= X
  1177. Count pairs of elements such that number of set bits in their OR is B[i]
  1178. Sort the character array based on ASCII % N
  1179. Reverse the Sentence using Stack
  1180. Count number of common elements between two arrays by using Bitset and Bitwise operation
  1181. Find the maximum number of elements divisible by 3
  1182. Find maximum value of the last element after reducing the array with given operations
  1183. Seating arrangement of N boys sitting around a round table such that two particular boys sit together
  1184. Kth smallest element in the array using constant space when array can't be modified
  1185. Minimum deletions required to make GCD of the array equal to 1
  1186. Print first N terms of Lower Wythoff sequence
  1187. Check whether it is possible to convert A into B
  1188. Check whether str1 can be converted to str2 with the given operations
  1189. Number of elements from the array which are reachable after performing given operations on D
  1190. Maximum previous and next element product
  1191. Find the minimum number of elements that should be removed to make an array good
  1192. Find XOR of numbers from the range [L, R]
  1193. Reverse individual words with O(1) extra space
  1194. Count of numbers whose 0th and Nth bits are set
  1195. Find a number containing N - 1 set bits at even positions from the right
  1196. Find two vertices of an isosceles triangle in which there is rectangle with opposite corners (0, 0) and (X, Y)
  1197. Sentence Case of a given Camel cased string
  1198. Minimum number of adjacent swaps to convert a string into its given anagram
  1199. Number of triplets such that each value is less than N and each pair sum is a multiple of K
  1200. Probability of getting more heads than tails when N biased coins are tossed
  1201. Rearrange the given string such that all prime multiple indexes have same character
  1202. Smallest perfect cube in an array
  1203. Maximum element in an array such that its previous and next element product is maximum
  1204. Count substrings that contain all vowels | SET 2
  1205. Number of ways of distributing N identical objects in R distinct groups
  1206. Number of ways of distributing N identical objects in R distinct groups with no groups empty
  1207. Total ways of choosing X men and Y women from a total of M men and W women
  1208. Find the number of paths of length K in a directed graph
  1209. Partiton the string in two parts such that both parts have at least k different characters
  1210. Find the position of the given row in a 2-D array
  1211. Maximum number formed from array with K number of adjacent swaps allowed
  1212. Unbounded Fractional Knapsack
  1213. Minimum number of steps to convert a given matrix into Diagonally Dominant Matrix
  1214. Longest sub-array with equal number of alphabets and numeric characters
  1215. Find distinct characters in distinct substrings of a string
  1216. Count of non-overlapping sub-strings "101" and "010" in the given binary string
  1217. Remove an element to maximize the GCD of the given array
  1218. Count of pairs between two arrays such that the sums are distinct
  1219. Number of Quadruples with GCD equal to K
  1220. Longest Subarray having strictly positive XOR
  1221. Decimal to Binary using recursion and without using power operator
  1222. Minimum and maximum possible length of the third side of a triangle
  1223. Find the volume of rectangular right wedge
  1224. Cost Based Tower of Hanoi
  1225. Count total set bits in all numbers from 1 to n | Set 2
  1226. Check if a string can be obtained by rotating another string d places
  1227. Maximum length palindromic substring such that it starts and ends with given char
  1228. Case-specific sorting of Strings in O(n) time and O(1) space
  1229. Longest subsequence such that every element in the subsequence is formed by multiplying previous element with a prime
  1230. Probability of distributing M items among X bags such that first bag contains N items
  1231. Minimum Bitwise OR operations to make any two array elements equal
  1232. Count pairs in an array such that the absolute difference between them is ≥ K
  1233. Minimum Bitwise XOR operations to make any two array elements equal
  1234. Minimum operations required to convert X to Y by multiplying X with the given co-primes
  1235. Partition the array in K segments such that bitwise AND of individual segment sum is maximized
  1236. Count ways to divide circle using N non-intersecting chord | Set-2
  1237. Count equal pairs from given string arrays
  1238. Check if a number is Fermat Pseudoprime
  1239. Maximum length sub-array which satisfies the given conditions
  1240. Find array such that no subarray has xor zero or Y
  1241. Find the difference of count of equal elements on the right and the left for each element
  1242. Find smallest positive number Y such that Bitwise AND of X and Y is Zero