- Binary String
- Sort The Array
- Nth Fibonacci Number
- Shortest path from 1 to n
- Rotate Array
- Permutations of a given string
- Bit Difference
- Number of occurrence
- k largest elements
- Minimum difference pair
- Find position of set bit
- Pattern Jumping
- Sum of Digits Divisibility
- Maximum money
- Ways To Tile A Floor
- Generate Binary Numbers
- Smallest number
- Find the Odd Occurence
- Rotating an Array
- Searching an element in a sorted array
- Set Bits
- Sum of dependencies in a graph
- Find first set bit
- Check for subsequence
- Geek and Coffee Shop
- A guy with a mental problem
- Does array represent Heap
- Find the element that appears once in sorted array
- Cyclically rotate an array by one
- Evaluate the expression
- Max Odd Sum
- Swap and Maximize
- Count numbers divisible by M
- Fighting the darkness
- Adam Number
- Print first n Fibonacci Numbers
- Maximum Integer Value
- Count triplets with sum smaller than X
- ZERO Number
- Check if strings are rotations of each other or not
- Sum of f(a[i], a[j]) over all pairs in an array of n integers
- How Many X's?
- Count nodes of linked list
- Node at a given index in linked list
- Power of Four
- Height of Binary Tree
- Finding middle element in a linked list
- Postorder Traversal
- Square root
- Minimum distance between two numbers
- Minimum element in BST
- Maximum in Struct Array
- Pairwise Consecutive Elements

Name

RH

Rank in Institute

#3

Campus Ambassador

Overall Coding Score: 1731

Monthly Coding Score: 422

Weekly Coding Score: 110

- Number of Unique Paths
- Wave Array
- Print Pattern
- Rectangles in N*N Board
- Squares in N*N Chessboard
- Count Occurences of Anagrams
- Remove “b” and “ac” from a given string
- Finding Number
- Finding Position
- Replace by X
- N meetings in one room
- Remove minimum elements
- Maximum sum increasing subsequence
- Array to BST
- Arrange Balls
- Add Binary Strings
- Multiply two polynomals
- Reach the Nth point
- Adjacents are not allowed
- Max rope cutting
- Count number of hops
- Inorder Traversal and BST
- Triplet Sum in Array
- Dearrangement of balls
- Reach a given score
- Possible paths
- Minimum element in a sorted and rotated array
- Maximum Collatz sequence length
- K-Pangrams
- Arrange the Balls
- Pick values
- Count the Zeros
- 0 - 1 Knapsack Problem
- Longest Common Increasing Subsequence
- Maximum Number of 1s
- Skip the work
- Valid Substring
- Count the Reversals
- Tom and Jerry
- Cutted Segments
- Number that are not divisible
- Game of Death in a circle
- Maximum value
- Floor in a Sorted Array
- Maximize Dot Product
- Letter Writer
- Finding the numbers
- Optimal walk
- Count Increasing Subsequences
- Maximize sum after K negations
- Euler Totient
- Adding Ones
- Lucas Number
- Pairs with specific difference
- Mr. Binary
- Min sum formed by digits
- String Manipulation
- Minimum Steps
- Maximum Sum Bitonic Subsequence
- Knapsack with Duplicate Items
- Flood fill Algorithm
- Friends Pairing Problem
- Gold Mine Problem
- Find Nth root of M
- Sum of all substrings of a number
- Minimum Operations
- Largest zigzag sequence
- Temple Offerings
- Increasing Sub Sequence
- Longest Palindromic Subsequence
- Fractional Knapsack
- K-th element of two sorted Arrays
- Evaluation of Postfix Expression
- Recursive sequence
- Rod Cutting
- Transitive closure of a Graph
- Karatsuba Algorithm
- Count the paths
- First negative integer in every window of size k
- Game with String
- Four Elements
- Paths to reach origin
- Get Minimum Squares
- Group Anagrams Together
- Count all possible paths from top left to bottom right
- Minimum Deletions
- Shortest Common Supersequence
- Painting the Fence
- Count the number of ways to tile the floor of size n x m using 1 x m size tiles
- Minimum insertions to sort an array
- Minimum number of deletions and insertions.
- Minimum number of deletions to make a sorted sequence
- Minimum steps to minimize n as per given condition
- Minimum number of deletions.
- Jumping Caterpillars
- Replace a word
- Ways to sum to N
- Subset with sum divisible by m
- Count of strings that can be formed using a, b and c under given constraints
- Broken blocks
- Find length of longest subsequence
- Ways to write n as sum
- Find all distinct subset (or subsequence) sums
- Longest subsequence-1
- Sum of average of all subsets
- Maximum sum Problem
- Number of permutation with K inversions
- Minimum Cost To Make Two Strings Identical
- Printing Maximum Sum Increasing Subsequence
- High-effort vs. Low-effort
- Stickler Thief
- Geek and its Colored Strings
- Sum of Lengths of Non-Overlapping SubArrays
- Chicks in a Zoo
- Special Numbers
- Sum of two large numbers
- Geek and its Game of Coins
- Next Happy Number
- Non-Repeating Element
- Find if string is K-Palindrome or not
- Maximum difference of zeros and ones in binary string
- Nearest multiple of 10
- Villain Con
- Count ways to express N as the sum of 1,3 and 4
- Check if a number is divisible by 8
- Charul and vessels
- Check if any valid sequence is divisible by M
- Candy Packets
- Eulerian Path in an Undirected Graph
- Sahil loves gfg
- Print adjacency list
- 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
- Detect Loop in linked list
- Rearrange linked list in-place
- Remove duplicates from an unsorted linked list
- Split a Circular Linked List into two halves
- Reverse a Doubly Linked List
- Merge Sort
- Right View of Binary Tree
- K distance from root
- Mirror Tree
- Diameter of Binary Tree
- Nth node from end of linked list
- Delete Middle of Linked List
- Merge two sorted linked lists
- 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
- Level order traversal in spiral form
- Reverse Level Order Traversal
- DFS of Graph
- BFS of graph
- Lowest Common Ancestor in a Binary Tree
- Print all nodes that don't have sibling
- Postorder traversal from given Inorder and Preorder traversals
- Absolute List Sorting
- Lowest Common Ancestor in a BST
- Max sum path in two arrays
- Level order traversal Line by Line
- Print BST elements in given range
- Minimum Depth of a Binary Tree
- Odd even level difference
- Binary Tree to BST
- K-Palindrome
- Remove every k'th node
- Multiply two linked lists
- Sorted subsequence of size 3
- Expression Tree
- Maximum Difference
- Check if Linked List is Palindrome
- Longest Consecutive Subsequence
- Delete a Node in Single Linked List
- Kth largest element in BST
- Minimum four sum subsequence
- Max Level Sum in Binary Tree
- Print Common Nodes in BST
- Level order traversal
- Peak element
- Inorder Successor in BST
- Index Of an Extra Element
- Merge Sort for Linked List
- Sum of given range
- Convert Ternary Expression to Binary Tree
- Union of Two Linked Lists
- Intersection of Two Linked Lists
- Insert in a Sorted List
- Split Singly Linked List Alternatingly
- Level of a Node in Binary Tree
- Maximum path sum
- Max and min element in Binary Tree
- Reverse a string using Stack
- Linked List that is Sorted Alternatingly
- XOR of a given range
- Full binary tree
- Modify Linked List-1
- Symmetric Tree
- Construct Tree from Inorder & Preorder
- Merge Lists Alternatingly
- Arrange Consonants and Vowels
- Next Right Node
- Count Pairs whose sum is equal to X
- Predecessor and Successor
- Maximum Node Level
- Diagonal Sum In Binary Tree
- Deletion and Reverse in Linked List
- Leaf under budget
- Reverse First K elements of Queue
- Height of Spiral Tree
- Sum of Leaf Nodes
- Sum of Right Leaf Nodes
- Sum of Left Leaf Nodes
- Nodes at Odd Levels
- Brothers From Different Roots
- Sum of the Longest Bloodline of a Tree
- Exchange the Leaf Nodes
- ZigZag Tree Traversal
- Sum of Leaf Nodes at Min Level
- Tilt of Binary Tree
- Move all zeros to the front of the linked list
- Delete middle element of a stack
- Vertical Width of a Binary Tree
- Rotate doubly Linked List
- Mother Vertex
- Print adjacency list

- Coin Change
- Kadane's Algorithm
- Find Missing And Repeating
- Excel Sheet | Part - 1
- Maximum Sub Array
- Print Diagonally
- Overlapping Intervals
- Maximum Index
- Equal Sum
- Next Permutation
- Longest Increasing Subsequence
- Parenthesis Checker
- Longest Common Subsequence
- Minimum number of jumps
- Count ways to reach the n'th stair
- Count ways to N'th Stair(Order does not matter)
- Egg Dropping Puzzle
- Count of n digit numbers whose sum of digits equals to given sum
- Edit Distance
- nCr
- Maximum Rectangular Area in a Histogram
- Longest Span with same Sum in two Binary arrays
- Min Coin
- Consecutive 1's not allowed
- Count of Subarrays
- Longest Even Length Substring
- Path in Matrix
- String formation from substring
- Case-specific Sorting of Strings
- Sum of bit differences
- Subset Sum Problem
- Maximize The Array
- Number of Coins
- Find Prime numbers in a range
- Stock buy and sell
- Largest Number formed from an Array
- Number of paths in a matrix with k coins
- Longest Palindrome in a String
- Modular Exponentiation for large numbers
- Rearrange an array with O(1) extra space
- Concatenation of Zig-Zag String in ‘n’ Rows
- Maximum of all subarrays of size k
- Largest square formed in a matrix
- Count Integral Points
- Sorting Elements of an Array by Frequency
- Design a tiny URL or URL shortener
- Rotate a 2D array without using extra space
- Special Keyboard
- Number of ways
- Minimum Cost of ropes
- Sum of Query II
- Form a palindrome
- Maximum length Bitonic Subarray
- Length of the longest substring
- Smallest number on left
- Longest consecutive subsequence
- Largest subsquare surrounded by ‘X’
- Maximum Sum Path in Two Arrays
- Stock span problem
- Convert an array to reduced form
- Dimensions of Rectangle
- Handshakes
- Tic-Tac-Toe
- Betting game
- Is Binary Number Multiple of 3
- Distributing Balls
- Maximum Sum Subsequence of length k
- Preorder Traversal and BST
- Longest Arithmetic Progression
- Subsets with XOR value
- Jumbled Strings
- Palindromic Strings
- Max possible amount
- Super Primes
- Crazy Equations
- Maximum Profit
- Circle of strings
- Nodes at even distance
- Queries on Strings
- Your Social Network
- Largest number in K swaps
- Special Matrix
- Minimize the heights
- Next larger element
- Composite and Prime
- Taking 1 out of 3 consecutives
- X Total Shapes
- Total Decoding Messages
- Unique BST's
- Distinct Transformations
- Subsets
- Matchsticks game
- Combination Sum
- Word Break
- Longest Prefix Suffix
- Kth smallest element
- Transform String
- Sum of Subarrays
- The Smurfs
- Maximum calorie
- Longest Common Substring
- Count Palindrome Sub-Strings of a String
- Negative weight cycle
- Hamiltonian Path
- Minimums in Array
- Snake and Ladder Problem
- Recursively remove all adjacent duplicates
- Tricky Subset Problem
- Shortest Source to Destination Path
- Divisibility tree
- Replace O's with X's
- Knight Walk
- Find all four sum numbers
- Substring - Subsequence problem
- Word Boggle
- Max absolute difference
- Reverse Delete Algorithm for Minimum Spanning Tree
- Distance of nearest cell having 1
- Is Sudoku Valid
- Find whether path exist
- Unit Area of largest region of 1's
- Rearrange characters
- First non-repeating character in a stream
- Count subsequences of type a^i b^j c^k
- Matrix Exponentiation
- Count in array
- Water Overflow
- Smallest window in a string containing all the characters of another string
- Smallest distinct window
- Minimum number of steps to reach a given number.
- Floyd Warshall
- Infix to Postfix
- Smallest Absolute Difference
- Largest Sum Subarray of Size at least K
- Longest Bitonic subsequence
- Mobile numeric keypad
- Maximum Intervals Overlap
- Minimum Time
- Word Wrap
- Perfect Sum Problem
- Longest Path in a matrix
- Array Pair Sum Divisibility Problem
- Job Sequencing Problem
- Number of palindromic strings
- Count possible ways to construct buildings
- Min cut Square
- Rotten Oranges
- Modify array to maximize sum of adjacent differences
- Probability of Knight
- LCS of three strings
- Two water Jug problem
- Longest repeating and non-overlapping substring
- Count digit groupings of a number
- Minimum cost to fill given weight in a bag
- Count even length
- Steps by Knight
- Coins and Game
- Matrix Chain Multiplication
- Maximum bitonic subarray sum
- Maximum Tip Calculator
- Maximum GCD Pair
- Alternate Vowel and Consonant String
- Find the element at given index
- Recurrence Matrix
- Find the last digit when factorial of A divides factorial of B
- Biconnected Graph
- Pizza Mania
- Number of subarrays with maximum values in given range
- Count of Palindromic substrings in an Index range
- Fill the Tank
- Beautiful SubSequence
- The Fibonacci-prime number
- Santa Banta
- Sum of XOR of all pairs
- Save Winterfell
- Pass the semester
- String Conversion
- Geek and Strings
- Container with most water
- Buying Vegetables
- The Painter's Partition Problem
- Aditya and his building blocks
- Minimum swaps and K together
- Maximize the sum of selected numbers from an array to make it empty
- Part of it.
- Construct binary palindrome by repeated appending and trimming
- Castle RUN
- Possible paths between 2 vertices
- Optimal Strategy For A Game
- Quick Sort on Linked List
- Count BST nodes that lie in a given range
- Check for BST
- Tree from Postorder and Inorder
- Bottom View of Binary Tree
- Delete without head pointer
- Intersection Point in Y Shapped Linked Lists
- Add all greater values to every node in a BST
- Connect Nodes at Same Level
- Diagonal Traversal of Binary Tree
- Detect cycle in a directed graph
- Detect cycle in an undirected graph
- Min distance between two given nodes of a Binary Tree
- Maximum difference between node and its ancestor
- The Celebrity Problem
- Topological sort
- Print a Binary Tree in Vertical Order
- Find the number of islands
- Circular tour
- Wildcard Pattern Matching
- Make Binary Tree From Linked List
- Generate IP Addresses
- Check if subtree
- Extreme nodes in alternate order
- Clone a Binary Tree
- Remove loop in Linked List
- Implementing Dijkstra | Set 1 (Adjacency Matrix)
- Max length chain
- Minimum Spanning Tree
- Interleaved Strings
- Sum of permutations
- Box Stacking
- Count Palindromic Subsequences
- Minimum Swaps to Sort
- Strongly Connected Components (Kosaraju's Algo)
- Rat in a Maze Problem
- Bipartite Graph
- Max sum subarray by removing at most one element
- Number of root to leaf paths
- Find the Closest Element in BST
- Pots of Gold Game
- Merge two BST 's
- Bridge Edge in Graph
- Print Nodes having K leaves
- Duplicate subtree in Binary Tree
- k-th smallest element in BST
- Euler Circuit in a Directed Graph
- Euler circuit and Path
- Find a pair with given target in BST
- Count More than n/k Occurences
- Occurences of 2 as a digit
- Populate Inorder Successor for all nodes
- Construct expression tree
- K-Sum Paths
- Foldable Binary Tree
- Leftmost and rightmost nodes of binary tree
- Construct tree from Inorder and LevelOrder
- Node at distance
- Mirror of a given node
- Pairs violating BST property
- Maximum path sum from any node
- Largest Independent Set Problem
- Duplicate Subtrees
- Convert Level Order Traversal to BST
- Count Number of SubTrees having given Sum
- Path Count in Directed Graph
- Unique BST's
- Distance of nearest cell having 1
- Unit Area of largest region of 1's
- Count ways to N'th Stair(Order does not matter)

- Minimum Points To Reach Destination
- Minimum sum partition
- Merge Without Extra Space
- Return two prime numbers
- A Simple Fraction
- Path of greater than equal to k length
- Create your own Calculator
- Boolean Parenthesization
- Print all LCS sequences
- Minimum Cost Path
- Solve the Sudoku
- Travelling Salesman Problem
- Distinct palindromic substrings
- Convert to Strictly increasing array
- Count the subarrays having product less than k
- Queries on a Matrix
- Adventure in a Maze
- Doctor Strange
- Kill Captain America
- Reorder List
- Alien Dictionary
- Fixing Two nodes of a BST