- Binary String
- Ways To Tile A Floor
- Find the element that appears once in sorted array
- Check set bits
- The Counting Game !!
- Find the fine
- Product of maximum in first array and minimum in second
- Ishaan Loves Chocolates
- Inorder Traversal
- Count Leaves in Binary Tree
- Height of Binary Tree
- Finding middle element in a linked list
- Postorder Traversal
- Preorder Traversal

Name

Pulkit Sharma

Rank in Institute

#3

Courses Attended

Campus Ambassador

Overall Coding Score: 1400

Monthly Coding Score: 646

Weekly Coding Score: 28

- Wave Array
- Non Repeating Character
- Reverse words in a given string
- Move all zeroes to end of array
- Remove all duplicates from a given string
- Remove “b” and “ac” from a given string
- Sort an array of 0s, 1s and 2s
- Key Pair
- Maximum Difference
- Reverse Bits
- Subarray with given sum
- Count pairs with given sum
- Inorder Traversal and BST
- Reach a given score
- Search in a matrix
- Count the Zeros
- 0 - 1 Knapsack Problem
- Ordering of strings
- Element appearing once
- Flood fill Algorithm
- Decode the pattern
- Love For The Twins
- K-th element of two sorted Arrays
- Evaluation of Postfix Expression
- Element with left side smaller and right side greater
- Array Subset of another array
- First negative integer in every window of size k
- Game with String
- Get Minimum Squares
- Stickler Thief
- Power Set
- Arya and The Great War
- Word with maximum frequency
- Ease the Array
- The Even Array
- Sahil loves gfg
- Sahil love good scorer
- Print adjacency list
- Reverse a linked list
- Occurence of an integer in a Linked List
- Given a linked list of 0s, 1s and 2s, sort it.
- Detect Loop in linked list
- Remove duplicates from an unsorted linked list
- Reverse a Doubly Linked List
- Merge Sort
- Quick Sort
- K distance from root
- Mirror Tree
- Nth node from end of linked list
- Delete Middle of Linked List
- Merge two sorted linked lists
- Remove duplicate element from sorted Linked List
- Reverse Level Order Traversal
- DFS of Graph
- BFS of graph
- Lowest Common Ancestor in a Binary Tree
- Determine if Two Trees are Identical
- Lowest Common Ancestor in a BST
- Expression Tree
- Level order traversal
- Peak element
- Index Of an Extra Element
- Merge Sort for Linked List
- Convert Ternary Expression to Binary Tree
- Sum of leaf nodes in BST
- Linked List that is Sorted Alternatingly
- Construct Tree from Inorder & Preorder
- Count Pairs whose sum is equal to X
- Children Sum Parent
- Sum of Leaf Nodes
- Learning Structs
- Find the Frequency
- Back to Front

- Coin Change
- Kadane's Algorithm
- Find Missing And Repeating
- Excel Sheet | Part - 1
- Maximum Sub Array
- Print Diagonally
- Overlapping Intervals
- Maximum Index
- 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)
- Count of n digit numbers whose sum of digits equals to given sum
- Edit Distance
- Magic Triplets
- nCr
- Maximum Rectangular Area in a Histogram
- Consecutive 1's not allowed
- Count of Subarrays
- Longest Even Length Substring
- Trapping Rain Water
- Case-specific Sorting of Strings
- Sum of bit differences
- Subset Sum Problem
- Factorials of large numbers
- Number of Coins
- Minimum Platforms
- Number following a pattern
- Stock buy and sell
- Largest Number formed from an Array
- Jumping Numbers
- Rearrange Array Alternately
- Rearrange an array with O(1) extra space
- Concatenation of Zig-Zag String in ‘n’ Rows
- Relative Sorting
- Black and White
- Maximum of all subarrays of size k
- Largest square formed in a matrix
- Row with max 1s
- Boolean Matrix Problem
- Count Integral Points
- Sorting Elements of an Array by Frequency
- Nuts and Bolts Problem
- Rotate a 2D array without using extra space
- Number of ways
- Dyck Path
- Minimum Cost of ropes
- Sum of Query II
- Inversion of array
- Preorder to Postorder
- Length of the longest substring
- Smallest number on left
- Longest consecutive subsequence
- Largest subsquare surrounded by ‘X’
- Stock span problem
- Convert an array to reduced form
- M-Coloring Problem
- Minimum steps to get desired array
- Handshakes
- Number to words
- Palindromic Array
- Betting game
- Is Binary Number Multiple of 3
- Possible groups
- Preorder Traversal and BST
- Search Pattern
- Bleak Numbers
- Maximum XOR subset
- Maximum Profit
- Circle of strings
- Nodes at even distance
- Build the smallest
- Your Social Network
- Largest number in K swaps
- Next larger element
- X Total Shapes
- Total Decoding Messages
- Unique BST's
- Distinct Transformations
- Matchsticks game
- Combination Sum
- Combination Sum - Part 2
- Word Break
- Kth smallest element
- Sum of Subarrays
- Rotate and delete
- Hamiltonian Path
- Count the Number of Full Binary Trees
- Snake and Ladder Problem
- Recursively remove all adjacent duplicates
- Shortest Source to Destination Path
- Trie | (Insert and Search)
- Replace O's with X's
- Print leaf nodes from preorder traversal of BST
- Distance of nearest cell having 1
- Find whether path exist
- Check Mirror in N-ary tree
- 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
- Stepping Numbers
- K
^{th}largest element in a stream - Water Overflow
- Zero Sum Subarrays
- Smallest window in a string containing all the characters of another string
- Smallest distinct window
- Floyd Warshall
- Huffman Encoding
- Nearly Sorted Algorithm
- Infix to Postfix
- Geek collects the balls
- Largest Sum Subarray of Size at least K
- Smallest Positive missing number
- Longest Bitonic subsequence
- Maximum sum Rectangle
- Maximum Intervals Overlap
- Perfect Sum Problem
- Array Pair Sum Divisibility Problem
- Job Sequencing Problem
- Top k numbers in a stream
- N Digit numbers with digits in increasing order
- Rotten Oranges
- Modify array to maximize sum of adjacent differences
- CamelCase Pattern Matching
- Longest Common Prefix in an Array
- Minimum cost to fill given weight in a bag
- In First But Second
- Mail System Design
- Numbers with alternative 1's
- Count of sum of consecutives
- Coins and Game
- Brackets in Matrix Chain Multiplication
- Matrix Chain Multiplication
- Pairs of Non Coinciding Points
- Maximum Tip Calculator
- Alternate Vowel and Consonant String
- Print N-bit binary numbers having more 1’s than 0’s
- Biconnected Graph
- Killing Spree
- Number of subarrays with maximum values in given range
- Longest subarray with sum divisible by K
- Subarrays with equal 1s and 0s
- Longest Sub-Array with Sum K
- Santa Banta
- The Tiny Miny
- Save Winterfell
- Geek and Strings
- Container with most water
- Save Gotham!
- The Painter's Partition Problem
- Aditya and his building blocks
- Lucky alive person in a circle
- Smaller on Left
- Possible paths between 2 vertices
- Optimal Strategy For A Game
- 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
- 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
- Construct Binary Tree from Parent Array
- Connect Nodes at Same Level
- Clone a linked list with next and random pointer
- Diagonal Traversal of Binary Tree
- Boundary Traversal of binary tree
- Delete a node from BST
- 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
- Merge K sorted linked lists
- Find the number of islands
- Serialize and Deserialize a Binary Tree
- Circular tour
- Wildcard Pattern Matching
- Max rectangle
- Make Binary Tree From Linked List
- Check if subtree
- Extreme nodes in alternate order
- Kth element in Matrix
- Clone a Binary Tree
- Remove loop in Linked List
- Implementing Dijkstra | Set 1 (Adjacency Matrix)
- Max length chain
- Largest BST
- LRU Cache
- Multiply two strings
- Minimum Swaps to Sort
- Strongly Connected Components (Kosaraju's Algo)
- Bipartite Graph
- Number of root to leaf paths
- Find the Closest Element in BST
- Pots of Gold Game
- Delete keys in a Linked list
- Merge two BST 's
- Merge k Sorted Arrays
- Print Nodes having K leaves
- Duplicate subtree in Binary Tree
- Top View of Binary Tree
- k-th smallest element in BST
- Polynomial Addition
- Euler Circuit in a Directed Graph
- Euler circuit and Path
- Merge Sort on Doubly Linked List
- Binary Tree to CDLL
- Find a pair with given target in BST
- 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
- Leaves to DLL
- Largest Independent Set Problem
- Right Sibling in Binary Tree
- Construct Tree from Preorder Traversal
- Construct a Full Binary Tree
- Convert Level Order Traversal to BST
- Count Number of SubTrees having given Sum
- Path Count in Directed Graph
- C++ Friend function
- C++ Generic sort
- Swap Kth nodes from ends
- Maximum sum of Non-adjacent nodes
- Smallest Positive missing number
- Unit Area of largest region of 1's
- Sorting Elements of an Array by Frequency
- Longest consecutive subsequence
- Case-specific Sorting of Strings
- M-Coloring Problem
- Count ways to N'th Stair(Order does not matter)

- Minimum sum partition
- Maximum of minimum for every window size
- Head to Tail ordering
- Merge Without Extra Space
- Find sum of different corresponding bits for all pairs
- Return two prime numbers
- Ugly Numbers
- Largest rectangle of 1’s with swapping of columns allowed
- Path of greater than equal to k length
- Create your own Calculator
- Number Formation
- Longest valid Parentheses
- Word Break - Part 2
- Minimum Cost Path
- N-Queen Problem
- Solve the Sudoku
- Strongly connected component (Tarjans's Algo)
- Find median in a stream
- Distinct palindromic substrings
- Phone directory
- Bike Racing
- Doctor Strange
- Kill Captain America
- QuickSort on Doubly Linked List
- Reorder List
- Binary Tree to DLL
- AVL Tree Insertion
- Maximum subset XOR
- Alien Dictionary
- AVL Tree Deletion
- Nodes at given distance in binary tree
- Fixing Two nodes of a BST
- Number of Turns in Binary Tree
- Solve the Sudoku