1. Write a program to reverse digits of a number
  2. Program to find whether a no is power of two
  3. Number of ways to cut a stick of length N into K pieces
  4. Majority Element
  5. Detect loop in a linked list
  6. Largest Sum Contiguous Subarray
  7. Convert a Binary Tree into its Mirror Tree
  8. Count set bits in an integer
  9. Given a linked list which is sorted, how will you insert in sorted way
  10. Check sum of Covered and Uncovered nodes of Binary Tree
  11. Data Structures and Algorithms | Set 2
  12. Find the two non-repeating elements in an array of repeating elements
  13. Compute the integer absolute value (abs) without branching
  14. Leaders in an array
  15. Count Inversions in an array | Set 1 (Using Merge Sort)
  16. Two elements whose sum is closest to zero
  17. Check for Children Sum Property in a Binary Tree
  18. Convert an arbitrary Binary Tree to a tree that holds Children Sum Property
  19. Storage for Strings in C
  20. Inorder Tree Traversal without recursion and without stack!
  21. Maximum difference between two elements such that larger element appears after the smaller number
  22. Pairwise swap elements of a given linked list
  23. What are the operators that can be and cannot be overloaded in C++?
  24. Equilibrium index of an array
  25. Write you own Power without using multiplication(*) and division(/) operators
  26. Identical Linked Lists
  27. Reverse a Linked List in groups of given size | Set 1
  28. Next Greater Element
  29. Output of C++ Program | Set 1
  30. Find the Minimum length Unsorted Subarray, sorting which makes the complete array sorted
  31. Sorted order printing of a given array that represents a BST
  32. Find duplicates in O(n) time and O(1) extra space | Set 1
  33. Program for Fibonacci numbers
  34. Get Level of a node in a Binary Tree
  35. Find k-th smallest element in BST (Order Statistics in BST)
  36. Search in a row wise and column wise sorted matrix
  37. Find the repeating and the missing | Added 3 new methods
  38. Naive algorithm for Pattern Searching
  39. Given an array arr[], find the maximum j - i such that arr[j] > arr[i]
  40. Smallest of three integers without comparison operators
  41. A Boolean Matrix Question
  42. Matrix Chain Multiplication | DP-8
  43. Practice Questions for Recursion | Set 7
  44. Print all sequences of given length
  45. Analysis of Algorithms | Set 2 (Worst, Average and Best Cases)
  46. Sorted Linked List to Balanced BST
  47. Josephus problem | Set 1 (A O(n) Solution)
  48. Coin Change | DP-7
  49. Binomial Coefficient | DP-9
  50. Activity Selection Problem | Greedy Algo-1
  51. Egg Dropping Puzzle | DP-11
  52. Longest Palindromic Subsequence | DP-12
  53. To find sum of two numbers without using any operator
  54. Count numbers that don't contain 3
  55. Find four elements that sum to a given value | Set 1 (n^3 solution)
  56. Check whether a given Binary Tree is Complete or not | Set 1 (Iterative Solution)
  57. Given a number, find the next smallest palindrome
  58. Boundary Traversal of binary tree
  59. Make a fair coin from a biased coin
  60. Lexicographic rank of a string
  61. Pascal's Triangle
  62. Binary representation of a given number
  63. Check if a number is Palindrome
  64. Minimum insertions to form a palindrome | DP-28
  65. Find all possible interpretations of an array of digits
  66. Iterative Method to find Height of Binary Tree
  67. Design a stack with operations on middle element
  68. Convex Hull | Set 2 (Graham Scan)
  69. Count digits in given number N which divide N
  70. Find depth of the deepest odd level leaf node
  71. Check if all leaves are at same level
  72. Remove all nodes which don't lie in any path with sum>= k
  73. Count all possible paths from top left to bottom right of a mXn matrix
  74. Find the element before which all the elements are smaller than it, and after which all are greater
  75. Count all possible groups of size 2 or 3 that have sum as multiple of 3
  76. Remove minimum elements from either side such that 2*min becomes more than max
  77. Program for nth Catalan Number
  78. Count Possible Decodings of a given Digit Sequence
  79. Check if two nodes are cousins in a Binary Tree
  80. Shortest path with exactly k edges in a directed and weighted graph
  81. Print squares of first n natural numbers without using *, / and -
  82. How to check if two given sets are disjoint?
  83. Longest Even Length Substring such that Sum of First and Second Half is same
  84. Given a matrix of 'O' and 'X', find the largest subsquare surrounded by 'X'
  85. Given a binary string, count number of substrings that start and end with 1.
  86. Greedy Algorithm for Egyptian Fraction
  87. Find a common element in all rows of a given row-wise sorted matrix
  88. How to handle duplicates in Binary Search Tree?
  89. Converting Decimal Number lying between 1 to 3999 to Roman Numerals
  90. Sort an almost sorted array where only two elements are swapped
  91. How to design a tiny URL or URL shortener?
  92. Shortest Common Supersequence
  93. Count of n digit numbers whose sum of digits equals to given sum
  94. How to check if a given array represents a Binary Heap?
  95. Count number of ways to partition a set into k subsets
  96. Find Minimum Depth of a Binary Tree
  97. Print cousins of a given node in Binary Tree
  98. Succinct Encoding of Binary Tree
  99. Check if a given Binary Tree is Heap
  100. Reorder an array according to given indexes
  101. Gaussian Elimination to Solve Linear Equations
  102. Longest Span with same Sum in two Binary arrays
  103. Beginning BootStrap (Part-1) | Introduction and Installation
  104. Check whether given degrees of vertices represent a Graph or Tree
  105. Construct a Binary Search Tree from given postorder
  106. 8 puzzle Problem using Branch And Bound
  107. Absolute distinct count in a sorted array
  108. Pair with given product | Set 1 (Find if any pair exists)
  109. Clone() method in Java
  110. Printing Longest Common Subsequence | Set 2 (Printing All)
  111. Program to convert a given number to words | Set 2
  112. Partial Functions in Python
  113. Two Dimensional Binary Indexed Tree or Fenwick Tree
  114. Program to find last digit of n'th Fibonnaci Number
  115. Maximum sum of i*arr[i] among all rotations of a given array
  116. Floor in a Sorted Array
  117. Reverse an array in groups of given size
  118. Find number of times a string occurs as a subsequence in given string
  119. Count distinct occurrences as a subsequence
  120. How JVM Works - JVM Architecture?
  121. Length of Longest sub-string that can be removed
  122. Count all sorted rows in a matrix
  123. Number of permutation with K inversions
  124. Nearest 1 in a binary matrix
  125. Path with maximum average value
  126. Image Processing in Java | Set 6 (Colored image to Sepia image conversion)
  127. Count characters at same position as in English alphabet
  128. Convert a Binary Tree to Threaded binary tree | Set 2 (Efficient)
  129. Methods in Java
  130. Minimum Cost Path with Left, Right, Bottom and Up moves allowed
  131. Regex Boundary Matchers in Java
  132. Count pairs whose products exist in array
  133. Introduction to Apache Maven | A build automation tool for Java projects
  134. Find perimeter of shapes formed with 1s in binary matrix
  135. Number of palindromic paths in a matrix
  136. Number of full binary trees such that each node is product of its children
  137. Compare two integers without using any Comparison operator
  138. Count natural numbers whose all permutation are greater than that number
  139. Sort an array when two halves are sorted
  140. Program for Perrin numbers
  141. Longest prefix that contains same number of X and Y in an array
  142. Sum of product of x and y such that floor(n/x) = y
  143. Make two sets disjoint by removing minimum elements
  144. Boggle | Set 2 (Using Trie)
  145. Sum of matrix element where each elements is integer division of row and column
  146. Distance of nearest cell having 1 in a binary matrix
  147. Check if reversing a sub array make the array sorted
  148. Rearrange an array in maximum minimum form | Set 2 (O(1) extra space)
  149. Nearest element with at-least one common prime factor
  150. Count passing car pairs
  151. N'th palindrome of K digits
  152. Number of decisions to reach destination
  153. Number Theory | Generators of finite cyclic group under addition
  154. Count substrings with same first and last characters
  155. Search, insert and delete in an unsorted array
  156. Method Overloading with Autoboxing and Widening in Java
  157. Multiples of 3 and 5 without using % operator
  158. Multiply large integers under large modulo
  159. Find maximum (or minimum) in Binary Tree
  160. HeapSort
  161. How to sort an array of dates in C/C++?
  162. Program to check if a given year is leap year
  163. Program to multiply two matrices
  164. Program to find transpose of a matrix
  165. Overloading Subscript or array index operator [] in C++
  166. Perfect Number
  167. Check if two numbers are equal without using arithmetic and comparison operators
  168. Check if a sorted array can be divided in pairs whose sum is k
  169. Find Length of a Linked List (Iterative and Recursive)
  170. C | Data Types | Question 8
  171. Query Optimization
  172. Reverse digits of an integer with overflow handled
  173. Given level order traversal of a Binary Tree, check if the Tree is a Min-Heap
  174. Find Excel column number from column title
  175. Reset a lost Linux administrative password and Explanation
  176. All possible strings of any length that can be formed from a given string
  177. Singleton Design Pattern | Introduction
  178. Switch Statement in Java
  179. Largest BST in a Binary Tree | Set 2
  180. Generate all rotations of a given string
  181. Javax.servlet.http.Cookie class in Java
  182. How cookies are used in a website?
  183. Lifecycle and States of a Thread in Java
  184. Flow control in try catch finally in Java
  185. Reverse an array without using subtract sign ‘-‘ anywhere in the code
  186. Check if a large number is divisible by 25 or not
  187. Print common characters of two Strings in alphabetical order
  188. An efficient way to check whether n-th Fibonacci number is multiple of 10
  189. How to run java class file which is in different directory?
  190. Print array of strings in sorted order without copying one string into another
  191. How GPS works?
  192. Java.util.Random class in Java
  193. Java.util.Timer Class in Java
  194. Maximum number of Zombie process a system can handle
  195. mindepth and maxdepth in Linux find() command for limiting search to a specific directory.
  196. Number of times the largest perfect square number can be subtracted from N
  197. Square root of a number using log
  198. Program to count vowels in a string (Iterative and Recursive)
  199. Sum of divisors of factorial of a number
  200. Sum of product of all pairs of array elements
  201. Oracle Interview Experience | Set 47 (On-Campus)
  202. Find Index of 0 to be replaced with 1 to get longest continuous sequence of 1s in a binary array | Set-2
  203. Slope of the line parallel to the line with the given slope
  204. Recursive Programs to find Minimum and Maximum elements of array
  205. Bitmasking and Dynamic Programming | Set-2 (TSP)
  206. Remove one bit from a binary number to get maximum value
  207. Find a pair of elements swapping which makes sum of two arrays same
  208. Check if an array represents Inorder of Binary Search tree or not
  209. pipe() System call
  210. Maximum product of subsequence of size k
  211. Count quadruples from four sorted arrays whose sum is equal to a given value x
  212. Program for Stirling Interpolation Formula
  213. std::basic_string::max_size in C++
  214. Finding power of prime number p in n!
  215. Project Idea | Airport Security Using Beacon
  216. Master Theorem For Subtract and Conquer Recurrences
  217. LocalDate plusDays() Method in Java with Examples
  218. Number of times a number can be replaced by the sum of its digits until it only contains one digit
  219. Find numbers of balancing positions in string
  220. Find repeated character present first in a string
  221. C# | Substring() Method
  222. Print triplets with sum less than or equal to k
  223. Check if a string is Pangrammatic Lipogram
  224. Puzzle | (When will the sheep be safe )
  225. Puzzle | (Crack The Plan)
  226. Number of N digit integers with weight W
  227. Amazon Interview Experience | Set 367 (On-Campus for Internship)
  228. std::find_end in C++
  229. Input Iterators in C++
  230. Forward Iterators in C++
  231. Binomial Random Variables
  232. Output Iterators in C++
  233. Bidirectional Iterators in C++
  234. Chain of Responsibility Design Pattern
  235. Citrix Interview Experience | Set 5 (On-Campus)
  236. GE Interview Experience | Set 5 (On-Campus for GE Digital)
  237. Project Idea | Assist Bot
  238. Project Idea | God's Eye
  239. Oracle Interview Experience | Set 46 (On-Campus)
  240. Calculate number of nodes between two vertices in an acyclic Graph by Disjoint Union method
  241. Veritas Interview Experience | Set 2 ( On Campus )
  242. Goldman Sachs Interview Experience | Set 25 (On-Campus for Internship)
  243. Output of C programs | Set 36
  244. Output of C programs | Set 38
  245. Project Idea | Sign Language Translator for Speech-Impaired
  246. Lexicographic rank of a string using STL
  247. Creating animations using Transformations in OpenGL
  248. Remove minimum number of elements such that no common element exist in both array
  249. Oracle Interview Experience | Set 57 (On-Campus for FTE)
  250. Shortest distance between two nodes in BST
  251. American Express Interview Experience | Set 2
  252. Cisco Interview Experience | Set 19 (For IT Engineer Profile)
  253. Amazon interview experience | Set 384 (On-Campus for FTE)
  254. Evaluate a boolean expression represented as string
  255. Java.util.Arrays.parallelPrefix in Java 8
  256. Teradata Interview Experience | Set 7 (On-Campus)
  257. Amazon Interview Experience | Set 387 (On -Campus for Full Time)
  258. Amazon Interview Experience | Set 388 (On -Campus for Full Time)
  259. Front Controller Design Pattern
  260. Sum of all even numbers in range L and R
  261. Maximise the size of consecutive element subsets in an array
  262. Xoriant Interview Experience | Set 2 (On- Campus)
  263. Sort first half in ascending and second half in descending order | 1
  264. Find the n-th number whose binary representation is a palindrome
  265. Sets in JavaScript
  266. Count number of paths whose weight is exactly X and has at-least one edge of weight M
  267. Binary array after M range toggle operations
  268. Program to check if three points are collinear
  269. GwynnieBee Interview Experience (Full Time)
  270. Amazon Interview Experience | 399 (On Campus for full time)
  271. Maximum number of unique prime factors
  272. Total number of divisors for a given number
  273. Factset Interview Experience | Set 12 (On-Campus)
  274. Qualcomm Interview Experience | Set 15 (On-Campus)
  275. Sort an array according to absolute difference with a given value "using constant extra space"
  276. ServiceNow Interview Experience | Set 4 (On-Campus)
  277. Implementation of Graph in JavaScript
  278. Count all triplets whose sum is equal to a perfect cube
  279. Basic Network Attacks
  280. Smallest index such that there are no 0 or 1 to its right
  281. Positive elements at even and negative at odd positions (Relative order not maintained)
  282. Operating System | Program for Next Fit algorithm in Memory Management
  283. iscntrl() in C++ and its application to find control characters
  284. Map in JavaScript
  285. Find if two people ever meet after same number of jumps
  286. OYO Interview Experience | Set 10 (On-campus for SDE)
  287. Puzzle | Farmer, Goat, Wolf and Cabbage
  288. Find most significant set bit of a number
  289. Check if a graphs has a cycle of odd length
  290. OYO Interview Experience | Set 11 (For 2 years experienced)
  291. Goldman Sachs Interview Experience | Set 33 (For Experienced)
  292. Program to find sum of first n natural numbers
  293. Composite Number
  294. Program to find if a character is vowel or Consonant
  295. Templates in C++ vs Generics in Java
  296. Head command in Linux with examples
  297. Puzzle | River Crossing
  298. Wipro Interview Experience | Set 10 (On-Campus)
  299. Mobile Search Engine Optimization (SEO)
  300. Two interfaces with same methods having same signature but different return types
  301. Bootstrap (Part-9) | Tooltips
  302. Computer Network | Efficiency of CSMA/CD
  303. Largest K digit number divisible by X
  304. Amazon Interview Experience | Set 404 (On-Campus Internship)
  305. Smallest K digit number divisible by X
  306. Sabre Interview Experience (On Campus for Associate Software Developer)
  307. GS Lab interview Experience | Set 3
  308. Maximum points from top left of matrix to bottom right and return back
  309. To check whether a large number is divisible by 7
  310. Supervised and Unsupervised learning
  311. Program to count digits in an integer (4 Different Methods)
  312. Given a n-ary tree, count number of nodes which have more number of children than parents
  313. Promact Infotech Pvt. Ltd. Interview Experience
  314. Computer Network | Collision Domain and Broadcast Domain
  315. K-th Largest Sum Contiguous Subarray
  316. Number of compositions of a natural number
  317. Check if number is palindrome or not in Octal
  318. Queries on probability of even or odd number in given ranges
  319. Vampire Number
  320. Smallest integer with digit sum M and multiple of N
  321. Maximize value of (a[i]+i)*(a[j]+j) in an array
  322. Lexicographically smallest string whose hamming distance from given string is exactly K
  323. Smallest x such that 1*n, 2*n, ... x*n have all digits from 1 to 9
  324. Simplify the directory path (Unix like)
  325. Sopra Steria Interview Experience
  326. Next Greater Frequency Element
  327. Index Mapping (or Trivial Hashing) with negatives allowed
  328. Check if a large number is divisibility by 15
  329. Print words of a string in reverse order
  330. Implementing Photomosaics
  331. Smallest Derangement of Sequence
  332. Check whether the given array is perfect or not
  333. Sorting using trivial hash function
  334. Frequency of a substring in a string
  335. Underscore.js | pluck() with Examples
  336. Cyclic Redundancy Check in Python
  337. Minimum cost to make Longest Common Subsequence of length k
  338. Check for integer overflow on multiplication
  339. Variation in Nim Game
  340. PHP | Date and Time
  341. Asynchronous and Synchronous Callbacks in Java
  342. Addition and Subtraction of Matrix using pthreads
  343. Verification in Java (JVM)
  344. Sexy Prime
  345. Find first and last digits of a number
  346. Python | Maximum and minimum element's position in a list
  347. Encrypt string with product of number of vowels and consonants in substring of size k
  348. Add given n time durations
  349. Program to print right and left arrow patterns
  350. Digital logic | Shift Registers
  351. Program for triangular patterns of alphabets
  352. Digital Electronics | Analog to digital conversion
  353. Communication between Parent and Child process using pipe in Python
  354. OYO Interview Experience | Set 4 (For 5+ Experienced)
  355. Parallel Array
  356. Snake case of a given sentence
  357. Program for Stair Case Patterns
  358. ArrayBlockingQueue add() method in Java
  359. Program to calculate area of a Tetrahedron
  360. Area of the biggest possible rhombus that can be inscribed in a rectangle
  361. BigInteger abs() Method in Java
  362. PHP | Get PHP configuration information using phpinfo()
  363. Executable Comments in Java
  364. Theory of computation | Decidable and undecidable problems
  365. Count the number of non-reachable nodes
  366. Encryption vs Encoding vs Hashing
  367. PHP | Merging two or more arrays using array_merge()
  368. Covert string X to an anagram of string Y with minimum replacements
  369. OYO Rooms Interview Experience | Set 6
  370. Freeware v/s Shareware
  371. GATE | GATE CS Mock 2018 | Set 2 | Question 45
  372. Hour-glass Pattern
  373. Rearrange a linked list in to alternate first and last element
  374. Program to print non square numbers
  375. Mediator Design Pattern
  376. Program to print the arrow pattern
  377. Garbage Collection in Python
  378. JavaScript | Math.hypot( ) Function
  379. ADP Recruitment Experience | Set 3 (On Campus for Member Technical)
  380. PHP | array_unshift() Function
  381. Sorting array with conditional swapping
  382. Divide two integers without using multiplication, division and mod operator
  383. Find the slope of the given number
  384. Python | tuple() Function
  385. Count special palindromes in a String
  386. Sort 1 to N by swapping adjacent elements
  387. Divide a big number into two parts that differ by k
  388. Count ordered pairs of positive numbers such that their sum is S and XOR is K
  389. JavaScript | Math.E() function
  390. Program to find Nth term in the given Series
  391. Collections max() method in Java with Examples
  392. JavaScript | Math.tanh() function
  393. JavaScript | Math.sinh() function
  394. Invert actual bits of a number
  395. PHP | array_replace_recursive() Function
  396. Rank of an element in a stream
  397. Goldman Sachs Interview Experience | Set 40
  398. Smallest even digits number not less than N
  399. Reverse Diagonal elements of matrix
  400. JavaScript | date.getHours() Function
  401. Largest subset with maximum difference as 1
  402. Number of subarrays with m odd numbers
  403. JavaScript | arrayBuffer.byteLength property
  404. Amortized analysis for increment in counter
  405. JavaScript | date.getDay() method
  406. Computer Network | RC4 Encryption Algorithm
  407. Java String concat() with examples
  408. Sum of product of each element with each element after it
  409. Java | Current date and time
  410. Maximum Product Subarray | Added negative product case
  411. Cube Free Numbers smaller than n
  412. Finding a Non Transitive Coprime Triplet in a Range
  413. Euler's Four Square Identity
  414. Check if characters of one string can be swapped to form other
  415. Check if number can be displayed using seven segment led
  416. Sum of the series 2^0 + 2^1 + 2^2 +.....+ 2^n
  417. Find duplicate in an array in O(n) and by using O(1) extra space
  418. Making zero array by decrementing pairs of adjacent
  419. Count elements which divide all numbers in range L-R
  420. Cost to Balance the parentheses
  421. Maximum product subset of an array
  422. ML | Types of Learning – Supervised Learning
  423. Check if every index i has an index j such that sum of elements in both directions are equal
  424. Decision Making in PL/SQL (if-then , if-then-else, Nested if-then, if-then-elsif-then-else )
  425. Program to print the hollow numerical parallelogram
  426. Comments in C#
  427. CouponDunia Recruitment Process
  428. Check for balanced parentheses in an expression | O(1) space
  429. PHP | array_uintersect_assoc() Function
  430. Number of circular tours that visit all petrol pumps
  431. Check if a number can be expressed as a^b | Set 2
  432. Two odd occurring elements in an array where all other occur even times
  433. Word Wrap problem ( Space optimized solution )
  434. Minimum swaps so that binary search can be applied
  435. Maximum product quadruple (sub-sequence of size 4) in array
  436. Largest gap in an array
  437. Highest power of two that divides a given number
  438. Python | Simple registration form using Tkinter
  439. PHP | fputs( ) Function
  440. C# | Methods
  441. Java Swing | BevelBorder and SoftBevelBorder
  442. Represent the fraction of two numbers in the string format
  443. First X vowels from a string
  444. C# | Replace() Method
  445. Print all triplets with given sum
  446. Duplicates in an array in O(n) time and by using O(1) extra space | Set-3
  447. Find unique pairs such that each element is less than or equal to N
  448. Different ways to represent N as sum of K non-zero integers
  449. Perl | Arrays
  450. Puzzle | Minimum distance for Lizard
  451. Count the number of intervals in which a given value lies
  452. Find Largest Special Prime which is less than or equal to a given number
  453. PHP | mysqli_close() Function
  454. Perl | Hashes
  455. Count number of triplets in an array having sum in the range [a, b]
  456. PHP | IntlChar::isblank() Function
  457. Area of the Largest Triangle inscribed in a Hexagon
  458. Reduce string to shortest length by deleting a pair of same adjacent characters
  459. Replace every element with the greatest element on its left side
  460. Sort an array where a subarray of a sorted array is in reverse order
  461. Check if any permutation of a large number is divisible by 8
  462. Shortest path on a Square
  463. Count number of triplets with product equal to given number with duplicates allowed | Set-2
  464. JavaFX | Arc with examples
  465. Edit distance and LCS (Longest Common Subsequence)
  466. Egg Dropping Puzzle with 2 Eggs and K Floors
  467. Find index of first occurrence when an unsorted array is sorted
  468. String transformation using XOR and OR
  469. Perpendicular distance between a point and a Line in 2 D
  470. Interview Rejections - How to handle?
  471. Count substrings that starts with character X and ends with character Y
  472. Distance between a point and a Plane in 3 D
  473. Array Manipulation and Sum
  474. Sort 3 numbers
  475. Haversine formula to find distance between two points on a sphere
  476. Maximum bishops that can be placed on N*N chessboard
  477. Find the only missing number in a sorted array
  478. Angle between two Planes in 3D
  479. Find the multiple of x which is closest to a^b
  480. Sum of all prime divisors of all the numbers in range L-R
  481. Print the corner elements and their sum in a 2-D matrix
  482. Number of elements smaller than root using preorder traversal of a BST
  483. Probability that the pieces of a broken stick form a n sided polygon
  484. Maximum power of jump required to reach the end of string
  485. Distance between two parallel Planes in 3-D
  486. Find gcd(a^n, c) where a, n and c can vary from 1 to 10^9
  487. Python | Sort an array according to absolute difference
  488. Number of ways to reach Nth floor by taking at-most K leaps
  489. Check if is possible to get given sum from a given set of elements
  490. Sudo Placement[1.7] | Greatest Digital Root
  491. Sum of sum of all subsets of a set formed by first N natural numbers
  492. match_results empty() in C++ STL
  493. Time difference between expected time and given time
  494. Hyperfactorial of a number
  495. Count pairs with Bitwise XOR as ODD number
  496. Saddleback Search Algorithm in a 2D array
  497. Morgan Stanley Interview Experience (On-Campus)
  498. Tetranacci Numbers
  499. Cunningham chain
  500. Reallocation of elements based on Locality of Reference
  501. CBSE Class 11 | Problem Solving Methodologies
  502. Program to print Sine-Wave Pattern
  503. Intersecting rectangle when bottom-left and top-right corners of two rectangles are given
  504. Check if a point lies on or inside a rectangle | Set-2
  505. Even digits Sum and Odd digits sum divisible by 4 and 3 respectively
  506. C++ program to find the type of the given iterator
  507. Longest chain of arr[i], arr[arr[i]], .. without repetition
  508. Eggs dropping puzzle (Binomial Coefficient and Binary Search Solution)
  509. Split the array and add the first part to the end | Set 2
  510. Program to Print the Trapezium Pattern
  511. Maximum number of dots after throwing a dice N times
  512. Program to find Nth term of series 9, 23, 45, 75, 113...
  513. Python | Pandas Split strings into two List/Columns using str.split()
  514. Balanced expressions such that given positions have opening brackets | Set 2
  515. Minimum element in a max heap
  516. ConcurrentHashMap putAll() method in Java
  517. Passing Reference to a Pointer in C++
  518. Python | Working with date and time using Pandas
  519. Program to Find the Largest Number using Ternary Operator
  520. Final cell position in the matrix
  521. Provider getVersion() method in Java with Examples
  522. Program to find the Nth term of series 5, 10, 17, 26, 37, 50, 65, 82, ...
  523. Number of divisors of a given number N which are divisible by K
  524. Program to find the nth Kynea number
  525. Program to find the Nth term of the series 0, 14, 40, 78, 124, ...
  526. Program to find the Nth term of the series 0, 5, 14, 27, 44, ........
  527. Provider toString() method in Java with Examples
  528. Provider getService() and getServices() method in Java
  529. Program to find sum of the given sequence
  530. Logic Gates in Python
  531. Maximum number of pieces in N cuts
  532. Program to calculate Bitonicity of an Array
  533. Find the Initial Array from given array after range sum queries
  534. Balance a string after removing extra brackets
  535. Recursive program to print triangular patterns
  536. Maximize the product of four factors of a Number
  537. Program to find the quantity after mixture replacement
  538. Collections addAll() method in Java with Examples
  539. Collections asLifoQueue() method in Java with Examples
  540. Find any pair with given GCD and LCM
  541. Minimum length of string having all permutation of given string.
  542. Collections checkedCollection() method in Java with Examples
  543. Collections checkedList() method in Java with Examples
  544. Collections copy() method in Java with Examples
  545. Collections fill() method in Java with Examples
  546. Collections indexOfSubList() method in Java with Examples
  547. Collections list() method in Java with Examples
  548. Find the sum of n terms of the series 1,8,27,64 ....
  549. Minimum no. of operations required to make all Array Elements Zero
  550. Count common subsequence in two strings
  551. Matrix Chain Multiplication (A O(N^2) Solution)
  552. Count the number of ways to traverse a Matrix
  553. Largest triangle that can be inscribed in an ellipse
  554. Program to print elements of a Matrix row-wise skipping alternate elements
  555. Find sum of product of number in given series
  556. Area of a circle inscribed in a regular hexagon
  557. Delete linked list nodes which have a greater value on left side
  558. Check if two arrays are permutations of each other using Mathematical Operation
  559. Thread.CurrentThread Property in C#
  560. Count number of integers less than or equal to N which has exactly 9 divisors
  561. Find the sum of first N terms of the series 2×3 + 4×4 + 6×5 + 8×6 + ...
  562. Program to print the Sum of series -1 + 2 + 11 + 26 + 47 +.....
  563. ArrayList removeAll() method in Java with Examples
  564. Program to print Kite Pattern
  565. Minimum odd cost path in a matrix
  566. AbstractList addAll() method in Java with Examples
  567. Program to find the Centroid of the triangle
  568. Program to find the Nth term of the series 0, 5, 18, 39, 67, 105, 150, 203, ...
  569. Program to find Nth term of series 0, 7, 18, 33, 51, 75, 102, 133, .....
  570. Program to find Nth term of series 4, 14, 28, 46, 68, 94, 124, 158, .....
  571. Program to find Nth term of series 0, 11, 28, 51, 79, 115, 156, 203, ....
  572. Program to find Nth term of series 0, 9, 22, 39, 60, 85, 114, 147, .....
  573. Program to find the common ratio of three numbers
  574. Program to find the Radius of the incircle of the triangle
  575. Java Tricky Output Questions
  576. Program to find remainder when large number is divided by r
  577. Find 'N' number of solutions with the given inequality equations
  578. Minimum changes required to make first string substring of second string
  579. Count Numbers with N digits which consists of odd number of 0's
  580. Maximum element in min heap
  581. Print a number strictly less than a given number such that all its digits are distinct.
  582. Number of solutions of n = x + n ⊕ x
  583. Find pair with maximum difference in any column of a Matrix
  584. Program to solve the Alligation Problem
  585. Program to print the Zigzag pattern
  586. Area of a square inscribed in a circle which is inscribed in a hexagon
  587. Check if it is possible to move from (0, 0) to (x, y) in N steps
  588. Area of circle which is inscribed in equilateral triangle
  589. Check if it is possible to sort the array after rotating it
  590. Minimum value possible of a given function from the given set
  591. Sum of alternate elements of a N x N matrix
  592. Number of ways to choose a pair containing an even and an odd number from 1 to N
  593. Minimum and maximum number of N chocolates after distribution among K students
  594. Check if a cell can be visited more than once in a String
  595. Number of solutions for x < y, where a <= x <= b and c <= y <= d and x, y are integers
  596. Find the total Number of Digits in (N!)N
  597. Check if the sum of digits of a number N divides it
  598. Find the number of rectangles of size 2*1 which can be placed inside a rectangle of size n*m
  599. Number of solutions for the equation x + y + z <= n
  600. Sum of all the elements in an array divisible by a given number K
  601. Program to find the maximum element in a Matrix
  602. Minimum number of digits to be removed so that no two consecutive digits are same
  603. Generate a number such that the frequency of each digit is digit times the frequency in given number
  604. Maximize number of nodes which are not part of any edge in a Graph
  605. Count all the numbers in a range with smallest factor as K
  606. Count pairs (i,j) such that (i+j) is divisible by A and B both
  607. Print N lines of 4 numbers such that every pair among 4 numbers has a GCD K
  608. Find last two digits of sum of N factorials
  609. StringBuilder appendCodePoint() method in Java with Examples
  610. Program to print Hut Star pattern
  611. Find Sum of Series 1^2 - 2^2 + 3^2 - 4^2 ..... upto n terms
  612. Product of all pairwise consecutive elements in an Array
  613. Program to replace every space in a string with hyphen
  614. Seating arrangement of n boys and girls alternatively around a round table
  615. Gould's Sequence
  616. Minimum number of nodes in an AVL Tree with given height
  617. Program to Print Mirrored Hollow Parallelogram
  618. Count of common multiples of two numbers in a range
  619. Sum and Product of minimum and maximum element of an Array
  620. Minimum swaps required to convert one binary string to another
  621. Number of squares of side length required to cover an N*M rectangle
  622. Maximum count of equal numbers in an array after performing given operations
  623. Maximum number of fixed points using atmost 1 swap
  624. Maximum difference elements that can added to a set
  625. Largest element in the array that is repeated exactly k times
  626. Check if the given vectors are at equilibrium or not
  627. Program to find the Sum of each Row and each Column of a Matrix
  628. Sum of Fibonacci numbers at even indexes upto N terms
  629. Count numbers whose difference with N is equal to XOR with N
  630. Find if a molecule can be formed from 3 atoms using their valence numbers
  631. Program to find the Area and Perimeter of a Semicircle
  632. Program to Convert Hexadecimal Number to Binary
  633. Number of anomalies in an array
  634. All possible numbers of N digits and base B without leading zeros
  635. Tree with N nodes and K leaves such that distance between farthest leaves is minimized
  636. Find the Nth term of the series 1 + 2 + 6 + 15 + 31 + 56 + ...
  637. Count changes in Led Lights to display digits one by one
  638. Section formula for 3 D
  639. Number of elements that can be seen from right side
  640. Check if there is any pair in a given range with GCD is divisible by k
  641. Equation of circle from centre and radius
  642. Round to next smaller multiple of 8
  643. Round to next greater multiple of 8
  644. Number of leading zeros in binary representation of a given number
  645. Replace every element of the array by product of all other elements
  646. Replace every array element by sum of previous and next
  647. Find amount to be added to achieve target ratio in a given mixture
  648. Longest subarray with elements divisible by k
  649. Problem of 8 Neighbours of an element in a 2-D Matrix
  650. Minimum array elements to be changed to make it a Lucas Sequence
  651. Count Number of animals in a zoo from given number of head and legs
  652. Find permutation of n which is divisible by 3 but not divisible by 6
  653. Maximum area of rectangle possible with given perimeter
  654. Area of decagon inscribed within the circle
  655. Number of triangles formed from a set of points on three lines
  656. Minimum cost to reach a point N from 0 with two different operations allowed
  657. Program to find Prime Numbers Between given Interval
  658. Program to calculate area and perimeter of a rhombus whose diagonals are given
  659. Minimum array insertions required to make consecutive difference <= K
  660. Ints concat() function | Guava | Java
  661. Check whether product of digits at even places of a number is divisible by K
  662. Program to find Nth term of series 7, 21, 49, 91, 147, 217, ......
  663. Replace every array element by Bitwise Xor of previous and next element
  664. Program to find the smallest element among three elements
  665. Longest subarray with elements having equal modulo K
  666. Replace every element with the smallest element on its left side
  667. Check whether (i,j) exists such that arr[i] != arr[j] and arr[arr[i]] is equal to arr[arr[j]]
  668. Count number less than N which are product of perfect squares
  669. Lexicographically smallest permutation with no digits at Original Index
  670. Find maximum volume of a cuboid from the given perimeter and area
  671. Sum of array Elements without using loops and recursion
  672. Magical Pattern
  673. Maximum difference of indices (i, j) such that A[i][j] = 0 in the given matrix
  674. Largest number smaller than or equal to N divisible by K
  675. Sum and Product of digits in a number that divide the number
  676. Count and Print the alphabets having ASCII value in the range [l, r]
  677. Largest N digit number divisible by given three numbers
  678. Maximum sum and product of the M consecutive digits in a number
  679. Count occurrences of a character in a repeated string
  680. GCD of a number raised to some power and another number
  681. Sum of all the multiples of 3 and 7 below N
  682. Minimum number of 1's to be replaced in a binary array
  683. Paths with maximum number of 'a' from (1, 1) to (X, Y) vertically or horizontally
  684. Steps to reduce N to zero by subtracting its most significant digit at every step
  685. AbstractSet Class in Java with Examples
  686. Check if a number is formed by Concatenation of 1, 14 or 144 only
  687. Largest sub-array whose all elements are perfect squares
  688. Program to find the sum of the series (1/a + 2/a^2 + 3/a^3 + ... + n/a^n)
  689. Print a case where the given sorting algorithm fails
  690. Largest right circular cone that can be inscribed within a sphere
  691. Largest cone that can be inscribed within a cube
  692. Largest cube that can be inscribed within a right circular cone
  693. Sum of common divisors of two numbers A and B
  694. Find the other number when LCM and HCF given
  695. LCM and HCF of fractions
  696. Find a value whose XOR with given number is maximum
  697. Check if the array has an element which is equal to product of remaining elements
  698. Check whether the sum of prime elements of the array is prime or not
  699. Element equal to the sum of all the remaining elements
  700. Number of ways to reach the end of matrix with non-zero AND value
  701. Ratio of area of a rectangle with the rectangle inscribed in it
  702. Partiton N into M parts such that difference between Max and Min part is smallest
  703. Print sum of matrix and its mirror image
  704. Largest cube that can be inscribed within a right circular cylinder
  705. Find if there is any subset of size K with 0 sum in an array of -1 and +1
  706. Longest rod that can be inserted within a right circular cylinder
  707. Count pairs with Bitwise XOR as EVEN number
  708. Count pairs with Bitwise-AND as even number
  709. Minimum number of moves required to reach the destination by the king in a chess board
  710. Product of middle row and column in an odd square matrix
  711. Program to convert the diagonal elements of the matrix to 0
  712. Sum of the digits of a number N written in all bases from 2 to N/2
  713. Check if N is divisible by a number which is composed of the digits from the set {A, B}
  714. Kotlin if-else expression
  715. Count Numbers with N digits which consists of even number of 0’s
  716. Find determinant of matrix generated by array rotation
  717. Largest right circular cylinder that can be inscribed within a cone
  718. Find maximum element of each column in a matrix
  719. Find a point that lies inside exactly K given squares
  720. Find position of left most dis-similar bit for two numbers
  721. Add N digits to A such that it is divisible by B after each addition
  722. Number of moves required to guess a permutation.
  723. Final string after performing given operations
  724. Fill missing entries of a magic square
  725. Find the intersection of two Matrices
  726. Find the Nth term of the series 14, 28, 20, 40,.....
  727. Minimum range increment operations to Sort an array
  728. Minimum number of moves to make all elements equal
  729. Youtube Data API | Set-2
  730. C# | Method returning an object
  731. Program to print the given Z Pattern
  732. Replace every element of the array by its previous element
  733. Replace every element of the array by its next element
  734. Length of longest consecutive ones by at most one swap in a Binary String
  735. MonthDay get() method in Java with Examples
  736. Check If every group of a's is followed by a group of b's of same length
  737. Smallest Pair Sum in an array
  738. Determine the count of Leaf nodes in an N-ary tree
  739. LocalDate minusYears() method in Java with Examples
  740. LocalDate minusWeeks() method in Java with Examples
  741. Construct a binary string following the given constraints
  742. Largest right circular cylinder within a cube
  743. ZonedDateTime plusDays() method in Java with Examples
  744. Minimum and Maximum number of pairs in m teams of n people
  745. Find the element whose multiplication with -1 makes array sum 0
  746. Find the only different element in an array
  747. Puzzle | 1000 light bulbs switched on/off by 1000 persons passing by
  748. Interchange elements of first and last columns in matrix
  749. Full screen OpenCV / GtK application in C++ running on Raspberry PI
  750. Sum of first N natural numbers when N is extremely large
  751. ZoneId getDisplayName() method in Java with Examples
  752. Number of Binary Strings of length N with K adjacent Set Bits
  753. Python Program to Count ways to reach the n'th stair
  754. ZonedDateTime format() method in Java with Examples
  755. ZonedDateTime form() method in Java with Examples
  756. ZonedDateTime get() method in Java with Examples
  757. Minimum absolute difference of a number and its closest prime
  758. Largest palindromic number in an array
  759. Most frequent factor in a range of integers
  760. Sum of integers upto N with given unit digit
  761. Average of remaining elements after removing K largest and K smallest elements from array
  762. Find numbers a and b that satisfy the given conditions
  763. Integers from the range that are composed of a single distinct digit
  764. Longest Subsequence where index of next element is arr[arr[i] + i]
  765. Check if moves in a stack or queue are possible or not
  766. LinkedHashSet removeAll() method in Java with Example
  767. Form N-copy string with add, remove and append operations
  768. Find an integer X which is divisor of all except exactly one element in an array
  769. Area of Reuleaux Triangle
  770. Diagonal of a Regular Pentagon
  771. URL toURI() method in Java with Examples
  772. Diagonal of a Regular Hexagon
  773. Maximum number of removals of given subsequence from a string
  774. Count pairs in an array that hold i+j= arr[i]+arr[j]
  775. Pairs from an array that satisfy the given condition
  776. Largest hexagon that can be inscribed within a square
  777. Print first N terms of series (0.25, 0.5, 0.75, ...) in fraction representation
  778. Minimize the maximum minimum difference after one removal from array
  779. Program for converting hours into minutes and seconds
  780. Count Subarrays with Consecutive elements differing by 1
  781. Do you want to make your own games?
  782. Check if all elements of the array are palindrome or not
  783. Count numbers in a range that are divisible by all array elements
  784. Product of N with its largest odd digit
  785. OffsetTime now() method in Java with examples
  786. Remove consecutive alphabets which are in same case
  787. Diagonal of a Regular Heptagon
  788. List sublist() Method in Java with Examples
  789. Area of a n-sided regular polygon with given side length
  790. Main Thread in C#
  791. Check if a number is perfect square without finding square root
  792. Choose n elements such that their mean is maximum
  793. Check whether a + b = c or not after removing all zeroes from a,b and c
  794. Apothem of a n-sided regular polygon
  795. Number of ways to remove a sub-string from S such that all remaining characters are same
  796. Count number of pairs (i, j) such that arr[i] * arr[j] > arr[i] + arr[j]
  797. Program to find the Nth term of the series 0, 3/1, 8/3, 15/5........
  798. Minimum absolute difference between N and a power of 2
  799. Minimum prime number operations to convert A to B
  800. Minimum distance to the end of a grid from source
  801. Count pairs of parentheses sequences such that parentheses are balanced
  802. Find the non decreasing order array from given array
  803. Length of the longest substring with consecutive characters
  804. Count the number of holes in an integer
  805. Find probability of selecting element from kth column after N iterations
  806. Program to check if two strings are same or not
  807. Check if a number can be expressed as sum two abundant numbers
  808. Ternary Search
  809. Find nth term of the series 5 2 13 41
  810. HTML | DOM cloneNode() Method
  811. Count distinct elements in an array
  812. Minimum moves to reach from i to j in a cyclic string
  813. Program for Area Of Square after N-th fold
  814. Largest number less than or equal to N/2 which is coprime to N
  815. Reverse Middle X Characters
  816. Count strings that end with the given pattern
  817. Biggest Reuleaux Triangle inscribed within a Square inscribed in an equilateral triangle
  818. Count of values of x <= n for which (n XOR x) = (n - x)
  819. BigInteger divide() Method in Java with Examples
  820. Find the Side of the smallest Square that can contain given 4 Big Squares
  821. Find array using different XORs of elements in groups of size 4
  822. Pizza Problem
  823. Remove characters from a numeric string such that string becomes divisible by 8
  824. Biggest Reuleaux Triangle inscribed within a square which is inscribed within a hexagon
  825. Program to check if a number is divisible by sum of its digits
  826. Composite XOR and Coprime AND
  827. Midpoint ellipse drawing algorithm
  828. Minimum operations of the given type required to make a complete graph
  829. Count operations of the given type required to reduce N to 0
  830. Arrange first N natural numbers such that absolute difference between all adjacent elements > 1
  831. numpy string operations | less_equal() function
  832. numpy string operations | greater_equal() function
  833. numpy string operations | greater() function
  834. Number of Simple Graph with N Vertices and M Edges
  835. Smallest integer greater than n such that it consists of digit m exactly k times
  836. Cost of painting n * m grid
  837. Count Odd and Even numbers in a range from L to R
  838. Ways to divide a binary array into sub-arrays such that each sub-array contains exactly one 1
  839. Program to Assign grades to a student using Nested If Else
  840. Find the winner by adding Pairwise difference of elements in the array until Possible
  841. Minimum operations required to modify the array such that parity of adjacent elements is different
  842. Find M-th number whose repeated sum of digits of a number is N
  843. Total position where king can reach on a chessboard in exactly M moves
  844. StringWriter hashCode() method in Java with Examples
  845. Lexicographically largest sub-sequence of the given string
  846. Find the values of X and Y in the Given Equations
  847. Find Intersection of all Intervals
  848. Maximize the sum of products of the degrees between any two vertices of the tree
  849. Modify a binary array to Bitwise AND of all elements as 1
  850. Minimum number of given operations required to convert a string to another string
  851. Length of the longest alternating subarray
  852. Minimize the sum of squares of sum of N/2 paired formed by N numbers
  853. Check whether the point (x, y) lies on a given line
  854. Count of pairs (x, y) in an array such that x < y
  855. Maximize the maximum among minimum of K consecutive sub-arrays
  856. Sum of bitwise AND of all subarrays
  857. Find index i such that prefix of S1 and suffix of S2 till i form a palindrome when concatenated
  858. Minimum index i such that all the elements from index i to given index are equal
  859. Find the longest Fibonacci-like subarray of the given array
  860. Split an array into groups of 3 such that X3 is divisible by X2 and X2 is divisible by X1
  861. Check whether the number can be made perfect square after adding 1
  862. Number of Hamiltonian cycle
  863. Sum of all Submatrices of a Given Matrix
  864. Number of trailing zeroes in base 16 representation of N!
  865. Count paths with distance equal to Manhattan distance
  866. Find the number of solutions to the given equation
  867. Sum of the natural numbers (up to N) whose modulo with K yield R
  868. XOR of XORs of all sub-matrices
  869. NLP | Training Tagger Based Chunker | Set 2
  870. Pick points from array such that minimum distance is maximized
  871. Count Hexadecimal Number
  872. Time until distance gets equal to X between two objects moving in opposite direction
  873. Find last five digits of a given five digit number raised to power five
  874. Find the count of numbers that can be formed using digits 3, 4 only and having length at max N.
  875. Number of ways to pair people
  876. Maximum Primes whose sum is equal to given N
  877. Third last digit in 5^N for given N
  878. Longest subarray such that adjacent elements have at least one common digit | Set - 2
  879. Count numbers having N 0's and and M 1's with no leading zeros
  880. Print the balanced bracket expression using given brackets
  881. Check whether the Average Character of the String is present or not
  882. Series summation if T(n) is given and n is very large
  883. Maximum average of a subarray of size of atleast X and atmost Y
  884. Sum of i * countDigits(i)^2 for all i in range [L, R]
  885. Minimum steps to make all the elements of the array divisible by 4
  886. Check if a Queen can attack a given cell on chessboard
  887. Addition of two numbers without propagating Carry
  888. Find if the given number is present in the infinite sequence or not
  889. Maximum trace possible for any sub-matrix of the given matrix
  890. Position of the K-th set bit in a number
  891. Print a number as string of 'A' and 'B' in lexicographic order
  892. JavaScript | Error name Property
  893. Count pairs with bitwise OR less than Max
  894. Programs for printing pyramid patterns using recursion
  895. Replace all elements by difference of sums of positive and negative numbers after that element
  896. Sum of Fibonacci Numbers in a range
  897. Program to find the time after K minutes from given time
  898. Minimum number of given operation required to convert n to m
  899. Maximum volume of cube for every person when edge of N cubes are given
  900. Minimum number operations required to convert n to m | Set-2
  901. Given count of digits 1, 2, 3, 4, find the maximum sum possible
  902. Count common characters in two strings
  903. Minimum value to add to arr[i] so that an array can be split at index i with equal sum
  904. Sum of degrees of all nodes of a undirected graph
  905. Replace array elements by sum of next two consecutive elements
  906. HTML | DOM Anchor host Property
  907. Count of sub-strings that do not contain all the characters from the set {'a', 'b', 'c'} at the same time
  908. Check whether factorial of N is divisible by sum of first N natural numbers
  909. Check if factorial of N is divisible by the sum of squares of first N natural numbers
  910. Find the number of integers from 1 to n which contains digits 0's and 1's only
  911. Find the number of jumps to reach X in the number line from zero
  912. Element in a matrix starting from which anti-clockwise traversal ends at the last element
  913. Maximum element in a sorted and rotated array
  914. Find the minimum number of steps to reach M from N
  915. Find maximum in stack in O(1) without using additional stack
  916. Check if a given number divides the sum of the factorials of its digits
  917. Sum of the series Kn + ( K(n-1) * (K-1)1 ) + ( K(n-2) * (K-1)2 ) + ....... (K-1)n
  918. Find the sum of the diagonal elements of the given N X N spiral matrix
  919. Length of the smallest number which is divisible by K and formed by using 1's only
  920. Number of ways for playing first move optimally in a NIM game
  921. Area of the biggest ellipse inscribed within a rectangle
  922. Minimum number of given operations required to convert a permutation into an identity permutation
  923. Find the count of sub-strings whose characters can be rearranged to form the given word
  924. Count all prefixes of the given binary array which are divisible by x
  925. Elements greater than the previous and next element in an Array
  926. Count consecutive pairs of same elements
  927. Length of the longest increasing subsequence such that no two adjacent elements are coprime
  928. Find (1^n + 2^n + 3^n + 4^n) mod 5 | Set 2
  929. Find the number of elements greater than k in a sorted array
  930. Find maximum sum taking every Kth element in the array
  931. Minimum number of changes such that elements are first Negative and then Positive
  932. Length of the longest substring with no consecutive same letters
  933. Predict the winner of the game on the basis of absolute difference of sum by selecting numbers
  934. Count the number of currency notes needed
  935. Program to find the maximum difference between the index of any two different numbers
  936. Minimum possible final health of the last monster in a game
  937. Find the sum of digits of a number at even and odd places
  938. 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
  939. Largest ellipse that can be inscribed within a rectangle which in turn is inscribed within a semicircle
  940. Check if product of first N natural numbers is divisible by their sum
  941. Interview Experience with Indus Valley Partners Feb 2019
  942. Difference between the Constructors and Methods
  943. Find minimum positive integer x such that a(x^2) + b(x) + c >= k
  944. Length of the normal from origin on a straight line whose intercepts are given
  945. Number of subsequences with zero sum
  946. Count of sub-strings that do not consist of the given character
  947. Find the maximum possible value of a[i] % a[j] over all pairs of i and j
  948. 3-digit Osiris number
  949. Dudeney Numbers
  950. Maximum absolute difference in an array
  951. Maximum elements which can be crossed using given units of a and b
  952. Distance between two parallel lines
  953. HTML | dirname Attribute
  954. Find maximum product of digits among numbers less than or equal to N
  955. What is Anonymous Types in C#?
  956. C# | Check if two Tuple Objects are equal
  957. Find the lexicographically smallest sequence which can be formed by re-arranging elements of second array
  958. How to re-index an array in PHP?
  959. Python | Find missing elements in List
  960. Check whether we can sort two arrays by swapping A[i] and B[i]