- Sum of array elements
- Reverse an Array
- Maximum and Minimum Of Array Elements
- Sum Of Digits
- Alone in couple
- Sum of Array
- Odd or Even
- Palindrome String
- Armstrong Numbers
- Multiply 2 matrices
- Sum of Series
- Series AP
- Print Elements of Array
- Binary number to decimal number
- Sum of Digit is Pallindrome or not
- Automorphic Number
- Sum of an AP
- Sum of GP
- Print 1 to n without using loops
- Remove Spaces
- Value equal to index value
- Check if a number is Perfect Square
- Swap kth elements
- Second Largest
- Reverse digits
- Smaller and Larger
- Average
- Binary representation
- Check if an array is sorted
- Pattern of Strings
- Palindrome
- Cube root of a number
- Mean
- Multiply Array
- At least two greater elements
- Count of camel case characters
- Find difference between sum of diagonals
- Display longest name
- Reverse a String
- Largest Element in Array
- Count of smaller elements
- Split Strings
- Count Digits
- Find Index
- Count type of Characters
- Number of Diagonals
- Decimal to binary
- Check String
- Change the string
- Sum of diagonals
- Extract the integers
- Remove vowels from string
- Sum of AP series
- Perfect Arrays

Name

Dewas k coder

Rank in Institute

#37

Courses Attended

Campus Ambassador

Overall Coding Score: 1263

Monthly Coding Score: 0

Weekly Coding Score: 0

- Print Linked List elements
- Count nodes of linked list
- Node at a given index in linked list
- Delete node in Doubly Linked List
- Size of Binary Tree
- Inorder Traversal
- Count Leaves in Binary Tree
- Height of Binary Tree
- Finding middle element in a linked list
- Circular Linked List
- Postorder Traversal
- Implement Stack using Linked List
- Implement stack using array
- Implement Queue using Linked List
- Square root
- Doubly linked list Insertion
- Binary Search
- Remove duplicate elements from sorted Array
- Replace all 0's with 5
- Count zeros in a sorted matrix
- Largest product
- Third largest element
- Preorder Traversal
- Implement strstr
- Equal Sum and XOR
- Implement Atoi
- Find Number of Numbers
- Minimum distance between two numbers
- Find triplets with zero sum
- Linked List Insertion
- Play with an array
- Minimum element in BST
- Anagram of String
- Circular Linked List Traversal
- Linked List Length Even or Odd?
- Delete Alternate Nodes
- Identical Linked Lists
- Find the Sum of Last N nodes of the Linked List
- Modular Node
- Find n/k th node in Linked list
- Maximum in Struct Array
- Queue Reversal
- Triplet Family
- Sum of Binary Tree
- Insert in Middle of Linked List
- Pairwise Consecutive Elements
- Count Non-Leaf Nodes in Tree
- Product of array elements
- Sort and Reverse Vector
- Front to Back
- Stack designer
- Sum Array Puzzle
- Search an Element in an array
- Binary String
- Consecutive elements
- Factorial
- Prime Number
- LCM And GCD
- GCD of Array
- Repetitive Addition Of Digits
- Searching a number
- Power of 2
- Sort The Array
- Pythagorean Triplet
- Nth Fibonacci Number
- Sort a String
- Strong Number
- Print the Kth Digit
- Doubling the value
- Majority Element
- Sieve of Eratosthenes
- Rotate Array
- Permutations of a given string
- Parity of unsigned integer
- Check if the number is Fibonacci
- Missing number in array
- Array of alternate +ve and -ve no.s
- Swap two nibbles in a byte
- Maximum product of two numbers
- Numbers containing 0's from 1 to N
- Segregate Even and Odd numbers
- Count total set bits
- Number is sparse or not
- Bit Difference
- Greater on right side
- Immediate Smaller Element
- Perfect Squares in a Range
- Sum of distinct elements
- Binary Array Sorting
- Intersection of two arrays
- Union of two arrays
- Convert array into Zig-Zag fashion
- Remove character
- Number of occurrence
- Maximum repeating number
- k largest elements
- Student record
- Pairs of prime number
- Minimum difference pair
- Check if a number is power of another number
- Find position of set bit
- Pattern Jumping
- Sum of Digits Divisibility
- Maximum money
- Ways To Tile A Floor
- Absolute distinct count
- Smallest number
- Count the numbers
- Find the Odd Occurence
- Keypad typing
- Rotating an Array
- Total distance travelled in an array
- Sum of Products
- Even occurring elements
- Searching an element in a sorted array
- Total count
- Surpasser Count
- How many pizzas ?
- Sum of primes
- Composite Series
- Rotate by 90 degree
- Rearranging array
- The AND Gate
- The OR Gate
- Good String
- Mega Sale
- Set Bits
- Repeated sum of digits
- Professor and Parties
- Longest Consecutive 1's
- Sum of divisors
- Count Squares
- Disarium Number
- Pairs with given XOR
- Elements before which no element is bigger
- Minimize the sum of product
- Missing number
- Make a Distinct Digit Array
- Reverse each word in a given string
- String with numbers at its end
- King's War
- Find duplicates under given constraints
- Find first and last occurrence of x
- Type of array
- Ladoo problem
- Sum of dependencies in a graph
- Stuffs Division
- Sort in specific order
- Check if two arrays are equal or not
- Form largest number from digits
- Check if string is rotated by two places
- Check if divisible by 11
- Unique Numbers
- XOR of all elements
- Check if divisible by 4
- Learning Output
- Check if divisible by 36
- Find first set bit
- Minimize sum of alternate product
- Check for subsequence
- Find first repeated character
- Sort the fest
- Count even substrings
- Message decoding
- Geek and Coffee Shop
- A guy with a mental problem
- Check if divisible by 5
- Wrong Ball
- Index of first 1 in a sorted array of 0’s and 1’s
- Strong Numbers
- Missing number in shuffled array
- Find the element that appears once in sorted array
- Last index of One
- Arranging the array
- Cyclically rotate an array by one
- Sum Triangle for given array
- First element to occur k times
- Check whether K-th bit is set or not
- Length of Last word
- Extract Maximum
- Remove Duplicates from unsorted array
- Uncommon characters
- Minimum sum of two elements from two arrays
- Sum of numbers in string
- Find the smallest and second smallest element in an array
- Find minimum and maximum element in an array
- Find second largest element
- Sorted matrix
- Sum Terms Nth Row
- Smallest power of 2 greater than or equal to n
- Pair array product sum
- Pair cube count
- Count pair sum
- First Come First Serve
- K-th distinct element
- Balanced Array
- Check if a string is Isogram or not
- Krishnamurthy number
- Check Arithmetic Progression
- Sort the Half Sorted
- Alternative Sorting
- Rightmost different bit
- Count numbers divisible by M
- Check set bits
- Set kth bit
- Fighting the darkness
- Count Pairs Odd Xor
- Quick Left Rotation
- Toggle bits given range
- Twice counter
- Shuffle integers
- Elements in the Range
- Adam Number
- First K natural numbers
- Remove repeated digits in a given number
- Sum of distinct elements for a limited range
- Check perfect square
- Find the Highest number
- Print Matrix in snake Pattern
- Twisted Prime Number
- Minimum number to form the sum even
- Change all even bits in a number to 0
- Closest Number
- Transform to prime
- First and last occurrences of X
- Positive and negative elements
- Rearrange the array
- Sort first half in ascending and second half in descending
- Tough Competitors
- Anshuman's Favourite Number
- The Counting Game !!
- XOR Count Zero and One
- Repated Sum and then Multiply
- Absolute Difference of 1
- Numbers with 0 as a digit
- Remove common characters and concatenate
- Powers game
- Longest increasing subarray
- Make the hit in power game !
- Prime Palindrome Sum
- Repeated I.Ds
- Sum of Digit Modified
- Count the characters
- Repeated Character
- Red OR Green
- Sort String
- First and last Bit
- Difference between highest and lowest occurrence
- Minimum product pair
- Product of factors of number
- Find unique element
- Find the fine
- Minimum Product of k Integers
- Maximize ∑arr[i]*i of an Array
- One's Complement
- Set the rightmost unset bit
- Sort the string in descending order
- Sum of Digits Prime/Non-Prime
- Remove all characters other than alphabets
- Weak Maths
- Stuti and her Problem
- Find the closest number
- Sandwiched_Vowels
- Corner Digits
- Last index of a character in the string
- Special Series Sum
- Check for three consecutive numbers
- Special Odd Series Sum
- Maximum triplet sum in array
- Floating point number even or odd
- Factors Sum
- Check if the number is balanced
- Find sum of even factors of a number
- The problem of identical arrays
- Numbers having alternate bits in range 1 to n
- Extract the phone number
- Tiger Zinda Hai
- Product is even or odd?
- Remove consonants from a string
- Check if actual binary representation of a number is palindrome
- Product of maximum in first array and minimum in second
- Most frequent word in an array of strings
- Check if strings are rotations of each other or not
- Encoding names
- Crazy String
- Set all odd bits
- Countries at war
- Last duplicate element in a sorted array
- Perfect Square String
- Sum of f(a[i], a[j]) over all pairs in an array of n integers
- Inverse Permutation
- Game with nos
- Play With OR
- Why is Melody so chocolaty?
- Tywin's War Strategy
- Ishaan's Internship
- Ishaan Loves Chocolates
- Ishaan's Weight
- Factor OR Multiple
- Jay's Apples
- Riya's Test
- The Penalty Shootout
- Confused pappu
- Difference series
- Reducing Walls
- Multiply left and right array sum.
- Gray Code
- Maximum Perimeter of Triangle from array
- Doctors Clinic
- How Many X's?
- Prime String
- Height of Heap
- Fibonacci to N
- Average Count Array
- C++ 2-D Arrays | Set-2

- Reverse a linked list
- Occurence of an integer in a Linked List
- Delete N nodes after M nodes of a linked list
- Rotate a Linked List
- Pairwise swap elements of a linked list
- Given a linked list of 0s, 1s and 2s, sort it.
- Add two numbers represented by linked lists
- Rearrange a linked list
- Add 1 to a number represented as linked list
- linked list of strings forms a palindrome
- Compare two linked lists
- Merge 2 sorted linked list in reverse order
- Linked List in Zig-Zag fashion
- Detect Loop in linked list
- Remove duplicates from an unsorted linked list
- Sorted insert for circular linked list
- Split a Circular Linked List into two halves
- Reverse a Doubly Linked List
- Merge Sort
- Quick Sort
- Right View of Binary Tree
- K distance from root
- Mirror Tree
- Two Mirror Trees
- Maximum Width of Tree
- Diameter of Binary Tree
- Check for Balanced Tree
- Nth node from end of linked list
- Left View of Binary Tree
- Delete Middle of Linked List
- Merge two sorted linked lists
- Sum Tree
- Decimal Equivalent of Binary Linked List
- Transform to Sum Tree
- Intersection of two sorted Linked lists
- Find Transition Point
- Remove duplicate element from sorted Linked List
- Stack using two queues
- Level order traversal in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- Insert a node in a BST
- BFS of graph
- Lowest Common Ancestor in a Binary Tree
- Determine if Two Trees are Identical
- Root to leaf path sum
- Print all nodes that don't have sibling
- Absolute List Sorting
- Implement two stacks in an array
- Largest subarray of 0's and 1's
- Level order traversal Line by Line
- Print BST elements in given range
- Largest subarray with 0 sum
- Minimum Depth of a Binary Tree
- Odd even level difference
- Max sum in the configuration
- Equilibrium index of an array
- Remove every k'th node
- Leaf at same level
- Is Binary Tree Heap
- Validate an IP Address
- Find Maximum value
- Sorted subsequence of size 3
- Josephus problem
- Expression Tree
- Maximum Difference
- Check if Linked List is Palindrome
- Max distance between same elements
- Longest Consecutive Subsequence
- Delete a Node in Single Linked List
- Kth largest element in BST
- Find duplicates in an array
- Count distinct elements in every window
- Max Level Sum in Binary Tree
- Three way partitioning
- Level order traversal
- Peak element
- Index Of an Extra Element
- Merge Sort for Linked List
- Union of Two Linked Lists
- Intersection of Two Linked Lists
- Insert in a Sorted List
- Split Singly Linked List Alternatingly
- Ancestors in Binary Tree
- Level of a Node in Binary Tree
- Sum of leaf nodes in BST
- Root to Leaf Paths
- Max and min element in Binary Tree
- Counting elements in two arrays
- Reverse a string using Stack
- Full binary tree
- Symmetric Tree
- Construct Tree from Inorder & Preorder
- Arrange Consonants and Vowels
- Vertical sum
- Next Right Node
- Count Pairs whose sum is equal to X
- Maximum Node Level
- Children Sum Parent
- Find length of Loop
- Median of BST
- Normal BST to Balanced BST
- Reverse First K elements of Queue
- Remove Half Nodes
- Sum of Leaf Nodes
- Sum of Right Leaf Nodes
- Sum of Left Leaf Nodes
- Nodes at Odd Levels
- ZigZag Tree Traversal
- Sum of Leaf Nodes at Min Level
- Tilt of Binary Tree
- Move all zeros to the front of the linked list
- Rotate doubly Linked List
- Learning Macros
- Count Odd Even
- Need Some Change
- Count the Specials
- Matrix Interchange
- Predict the Column
- Xoring and Clearing
- Consonants and Vowels check
- Even Subsets
- Two Dimensional World
- Find the Frequency
- Back to Front
- Pair Sum in Vector
- Deque Implementations
- Frequencies of Limited Range Array Elements
- Anagram
- Adding One
- Number of Unique Paths
- Wave Array
- Maximum Gap
- Pattern Searching
- Print Pattern
- Search in a Rotated Array
- Maximize Toys
- Trailing zeroes in factorial
- Non Repeating Character
- Sum of Middle Elements of two sorted arrays
- Good Pairs
- First Repeating Element
- Count Occurences of Anagrams
- Reverse words in a given string
- Count Substrings
- Check if a given string is a rotation of a palindrome
- Move all zeroes to end of array
- Remove all duplicates from a given string
- Equal Sum and Product
- Sort an array of 0s, 1s and 2s
- Pairs with difference k
- Finding Number
- Maximum value in a bitonic array
- Finding Position
- Single Number
- Segregate even and odd nodes in a Linked List
- Element that appears once where every element occurs twice
- Longest Distinct characters in string
- Replace by X
- Remove Duplicates
- Addition of submatrix
- Sum of two numbers represented as arrays
- Facing the sun
- Triangular Number
- Make Number Odd
- Key Pair
- Maximum Difference
- Add Binary Strings
- Product array puzzle
- Reverse Bits
- Count Smaller elements
- Subarray with given sum
- Leaders in an array
- Pair in array whose sum is closest to X
- Swap all odd and even bits
- Equal to product
- Count pairs with given sum
- Segregate 0s and 1s
- Triplet Sum in Array
- Two Repeated Elements
- Minimum element in a sorted and rotated array
- Search in a matrix
- Cross the Bridge
- Chinky and diamonds
- Missing element of AP
- Count the Zeros
- Distinct absolute array elements
- Find the number of sub-arrays having even sum
- Number of ways to find two numbers
- Game of Death in a circle
- Ball coloring
- Left out candies
- Perfect Numbers
- Change Bits
- Collection of pens
- Element appearing once
- Equilibrium point
- Floor in a Sorted Array
- Buildings receiving sunlight
- Finding the numbers
- Prime Factors
- Least Prime Factor
- Collecting Trees
- Happy Number
- Adding Ones
- Lucas Number
- Deficient Number
- Equal Point in Sorted Array
- Circle and Lattice Points
- Count Pairs in an Array
- Sphenic Number
- Sum of elements between k1'th and k2'th smallest elements
- Circular Prime Number
- Min sum formed by digits
- Find sum of divisors
- Reverse Coding
- Kth Prime factor of a Number
- Maximum no of 1's row
- Drive the car
- Gold Mine Problem
- Sum of all substrings of a number
- Find all pairs with a given sum
- Largest Fibonacci Subsequence
- Evaluation of Postfix Expression
- Maximum difference Indexes
- Common elements
- Efficiently sorting numbers in range from 0 to n^2 - 1
- Array Subset of another array
- Karatsuba Algorithm
- First negative integer in every window of size k
- Length of longest subarray
- Four Elements
- Subarray with 0 sum
- Nth catalan number
- Group Anagrams Together
- Sum equals to Sum
- Find Pair Given Difference
- Count the elements
- Second most repeated string in a sequence
- Count all possible paths from top left to bottom right
- Nth number made of prime digits
- Large number division
- Mr Modulo and Pairs
- Minimum Number in a sorted rotated array
- Ticket sellers
- Swapping pairs make sum equal
- Minimum steps to minimize n as per given condition
- Bitonic Generator Sort
- Minimum indexed character
- Consecutive Array Elements
- Stickler Thief
- Maximum number of zeroes
- Merging two unsorted arrays in sorted order
- Primorial of a number
- Common Subsequence
- Right angled triangles
- Boundary Elements of Matrix
- Star elements
- Sum of two large numbers
- Flipping bits No and Binary Format in Reverse Order
- Maximum Height Tree
- Prime number of set bits
- Remove minimum number of elements
- Check if divisible by 10
- Divisible by 7
- Pairs with Positive Negative values
- Numbers containing 1, 2 and 3
- Find k-th missing element
- Geek and his Tricky Series
- Summed Matrix
- Non-Repeating Element
- Closing bracket index
- Number of pairs with maximum sum
- Pairs which are Divisible by 4
- Maximum AND Value
- Find winner of the Game of Nim
- Arya and The Great War
- Mystic Falls School
- Find out the Team
- Count numbers with unit digit K in given range
- Largest sum of digits in all Divisors
- Swap the closest and farthest digits
- Nearest multiple of 10
- Remove leading zeros from an IP address
- Form a number divisible by 3 using array digits
- Check if array contains contiguous integers with duplicates allowed
- Rearrange an array such that arr[i] = i
- Maximum height of the staircase
- Extra Perfect Numbers
- C++ Visible Numbers
- Rope Cutting
- Ease the Array
- Amicable Pair
- Pair the minimum
- Counts Zeros Xor Pairs
- Easy string
- Damon Prime
- Count pairs Sum in matrices
- C++ Matrix Rotation by 180 degree
- Swap every two bits in bytes
- Check if a number is divisible by 8
- Ishaan and Sticks
- Find the closest pair from two arrays
- Common Divisor
- Print all bitwise subsets of a number N
- The Non-repetitive String
- Holi Balloons
- Print Bracket Number
- Searching in an array where adjacent differ by at most k
- The Even Array
- The Light Problem
- The Optimal Selection
- Minimum changes to make all substrings distinct
- Sorting all array elements except one
- Candy Packets
- Lucky Ishaan
- Smallest greater elements in whole array
- Save Ironman
- Fitting The Array
- Are you "Perfect"
- K-th missing element
- Print adjacency list
- Pair with given sum in a sorted array

- Given a linked list, reverse alternate nodes and append at the end
- Reverse a Linked List in groups of given size.
- Delete nodes having greater value on right
- Check for BST
- Tree from Postorder and Inorder
- Bottom View of Binary Tree
- Delete without head pointer
- Intersection Point in Y Shapped Linked Lists
- Connect Nodes at Same Level
- Delete a node from BST
- Merge K sorted linked lists
- Multiply two strings
- Find the Closest Element in BST
- Delete keys in a Linked list
- Merge k Sorted Arrays
- k-th smallest element in BST
- Find a pair with given target in BST
- Populate Inorder Successor for all nodes
- Coin Change
- Kadane's Algorithm
- Find Missing And Repeating
- Maximum Sub Array
- Maximum Index
- Longest Increasing Subsequence
- Parenthesis Checker
- Longest Common Subsequence
- Count ways to reach the n'th stair
- nCr
- Longest Span with same Sum in two Binary arrays
- Count of Subarrays
- Path in Matrix
- Trapping Rain Water
- Sum of bit differences
- Factorials of large numbers
- Number of Coins
- Find Prime numbers in a range
- Stock buy and sell
- Largest Number formed from an Array
- Possible words from Phone digits
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Relative Sorting
- Maximum of all subarrays of size k
- Row with max 1s
- Boolean Matrix Problem
- Sorting Elements of an Array by Frequency
- Design a tiny URL or URL shortener
- Nuts and Bolts Problem
- Rotate a 2D array without using extra space
- Inversion of array
- Maximum length Bitonic Subarray
- Longest consecutive subsequence
- Stock span problem
- Convert an array to reduced form
- Tic-Tac-Toe
- Is Binary Number Multiple of 3
- Possible groups
- Bleak Numbers
- Next larger element
- Unique BST's
- Kth smallest element
- Zero Sum Subarrays
- Nearly Sorted Algorithm
- Smallest Absolute Difference
- In First But Second
- The Tiny Miny
- Container with most water
- Large Factorials