- Sum of array elements
- Reverse an Array
- Factorial
- Palindrome String
- Armstrong Numbers
- Prime Number
- LCM And GCD
- Series AP
- Binary number to decimal number
- Print table
- Sum of Digit is Pallindrome or not
- nPr
- Binary Array Sorting
- Second Largest
- Reverse digits
- Number of occurrence
- Check if an array is sorted
- Find the median
- Count of smaller elements
- Upper case conversion
- Print the pattern | Set-1
- Print alternate elements of an array

Name

kevinyu

Institution

Rank in Institute

#1

Overall Coding Score: 636

Monthly Coding Score: 357

Weekly Coding Score: 120

- GCD of Array
- Searching a number
- Series GP
- Print the Kth Digit
- Sieve of Eratosthenes
- Rotate Array
- Permutations of a given string
- Immediate Smaller Element
- k largest elements
- Pairs of prime number
- Check if a number is power of another number
- Number Of Open Doors
- Angle between hour and minute hand
- 3 Divisors
- Count Squares
- Nth Even Fibonacci Number
- Missing number
- Chocolate Distribution Problem
- Squares in a Matrix
- Check if two arrays are equal or not
- Check for subsequence
- Find first repeated character
- Transpose of Matrix
- First element to occur k times
- Extract Maximum
- Uncommon characters
- Find minimum and maximum element in an array
- URLify a given string
- Pair cube count
- Max Sum Subarray of size K
- Sort the Half Sorted
- In First But Second
- Print Matrix in snake Pattern
- Anagram Palindrome
- Closest Number
- Find k-th character in string
- Good or Bad string
- Merge two strings
- Sort the string in descending order
- Check if strings are rotations of each other or not
- Height of Heap
- Tower of Hanoi
- Print Linked List elements
- Count nodes of linked list
- Node at a given index in linked list
- Delete node in Doubly Linked List
- Inorder Traversal
- Bubble Sort
- Count Leaves in Binary Tree
- Selection Sort
- 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
- Implement Queue using array
- Square root
- Insert a node in Doubly linked list
- Binary Search
- Remove duplicate elements from sorted Array
- Add two fractions
- Count zeros in a sorted matrix
- Preorder Traversal
- Implement strstr
- Search a node in BST
- Minimum distance between two numbers
- Minimum element in BST
- Anagram of String
- Circular Linked List Traversal
- Triplet Family

- Frequency of Array Elements
- Anagram
- Print Pattern
- Search in a Rotated Array
- Parenthesis Checker
- Trailing zeroes in factorial
- Non Repeating Character
- Minimum number of Coins
- Reverse words in a given string
- Activity Selection
- Majority Element
- Spirally traversing a matrix
- Sort an array of 0s, 1s and 2s
- Segregate even and odd nodes in a Linked List
- Count distinct pairs with difference k
- Is Square
- N meetings in one room
- Array to BST
- Facing the sun
- Triangular Number
- Key Pair
- Inversion of array
- Add Binary Strings
- Product array puzzle
- Subarray with given sum
- Leaders in an array
- Count pairs with given sum
- Inorder Traversal and BST
- Triplet Sum in Array
- Overlapping rectangles
- Search in a matrix
- Day of the week
- Missing element of AP
- Power of Numbers
- Next larger element
- Perfect Numbers
- Largest number with given sum
- The Nth Fibonnaci
- Equilibrium point
- Floor in a Sorted Array
- Recursively remove all adjacent duplicates
- Flood fill Algorithm
- Last two digit Fibonacci
- Find Nth root of M
- Smallest window in a string containing all the characters of another string
- Largest Fibonacci Subsequence
- Fractional Knapsack
- K-th element of two sorted Arrays
- Common elements
- Array Subset of another array
- Smallest Positive missing number
- Subarray with 0 sum
- Group Anagrams Together
- Find distinct elements
- Count the triplets
- Non-Repeating Element
- Nearest multiple of 10
- Winner of an election where votes are represented as candidate names
- Count pairs Sum in matrices
- Save Ironman
- Pair with given sum in a sorted array
- Reverse a linked list
- Delete N nodes after M nodes of a linked list
- Pairwise swap elements of a linked list by swapping data
- 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
- Detect Loop in linked list
- Remove duplicates from an unsorted linked list
- Split a Circular Linked List into two halves
- Insertion Sort
- Merge Sort
- Quick Sort
- Right View of Binary Tree
- Mirror Tree
- Delete without head pointer
- Diameter of Binary Tree
- Check for Balanced Tree
- Heap Sort
- n'th node from end of linked list
- Left View of Binary Tree
- Merge two sorted linked lists
- Find Transition Point
- Queue using two Stacks
- Remove duplicate element from sorted Linked List
- Stack using two queues
- Insert a node in a BST
- Lowest Common Ancestor in a Binary Tree
- Lowest Common Ancestor in a BST
- Implement two stacks in an array
- Operations on Binary Min Heap
- Max sum path in two arrays
- Largest subarray of 0's and 1's
- Level order traversal Line by Line
- Remove every k'th node
- Multiply two linked lists
- Sorted subsequence of size 3
- Josephus problem
- Check if Linked List is Palindrome
- Longest Consecutive Subsequence
- Delete a Node in Single Linked List
- Find duplicates in an array
- Count distinct elements in every window
- Check if two strings are k-anagrams or not
- Special Stack
- Three way partitioning
- Level order traversal
- Peak element
- Merge Sort for Linked List
- Union of Two Linked Lists
- Intersection of Two Linked Lists
- Insert in a Sorted List
- Maximum path sum
- XOR Linked List
- Reverse a string using Stack
- Triplet with 0 sum in BST
- Construct Tree from Inorder & Preorder
- Insert in Sorted way in a Sorted DLL
- Predecessor and Successor
- Leaves to DLL
- Children Sum Parent
- Find length of Loop
- Normal BST to Balanced BST
- Reverse First K elements of Queue
- Closest Neighbor in BST
- ZigZag Tree Traversal
- Rotate doubly Linked List by P nodes

- Find Missing And Repeating
- Maximum Sub Array
- Wave Array
- Longest Span with same Sum in two Binary arrays
- Trapping Rain Water
- Minimum Platforms
- Stock buy and sell
- Possible words from Phone digits
- Jumping Numbers
- Relative Sorting
- Row with max 1s
- Boolean Matrix Problem
- Sorting Elements of an Array by Frequency
- Nuts and Bolts Problem
- Preorder to Postorder
- Stock span problem
- Handshakes
- Preorder Traversal and BST
- Minimize the heights
- Unique BST's
- K’th smallest element
- Find all four sum numbers
- Print leaf nodes from preorder traversal of BST
- Is Sudoku Valid
- Largest prime factor
- First non-repeating character in a stream
- Convex Hull
- Kth largest element in a stream
- Magnet Array Problem
- Nearly Sorted Algorithm
- Job Sequencing Problem
- Longest subarray with sum divisible by K
- Longest Sub-Array with Sum K
- The Painter's Partition Problem
- Reverse a Linked List in groups of given size.
- Count BST nodes that lie in a given range
- Check for BST
- Tree from Postorder and Inorder
- Intersection Point in Y Shapped Linked Lists
- Add all greater values to every node in a BST
- Connect Nodes at Same Level
- Clone a linked list with next and random pointer
- Flattening a Linked List
- Delete a node from BST
- The Celebrity Problem
- Serialize and Deserialize a Binary Tree
- Circular tour
- Remove loop in Linked List
- Largest BST
- Multiply two strings
- Minimum Swaps to Sort
- Merge two BST 's
- Merge k Sorted Arrays
- k-th smallest element in BST
- Polynomial Addition
- Merge Sort on Doubly Linked List
- Binary Tree to CDLL
- Find a pair with given target in BST
- Median of BST
- Convert Level Order Traversal to BST