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15 submissions in current year
SCHOOL (0)
BASIC (5)
EASY (40)
MEDIUM (96)
HARD (19)
- Linked List Group Reverse
- Binary Tree to DLL
- Clone List with Next and Random
- Box Stacking
- Alien Dictionary
- Nodes at given distance in binary tree
- Max Path Sum 2 Special Nodes
- Trapping Rain Water
- Merge Without Extra Space
- Longest Prefix Suffix
- Edit Distance
- Minimum sum partition
- Palindromic Partitioning
- Stock Buy and Sell – Max K Transactions Allowed
- Matrix Chain Multiplication
- Median in a row-wise sorted Matrix
- Boolean Parenthesization
- Stock Buy and Sell – Max 2 Transactions Allowed
- Median of 2 Sorted Arrays of Same Size
- Reverse a linked list
- Pairwise swap elements of a linked list
- Inorder Traversal
- Check for BST
- Mirror Tree
- Delete without head pointer
- Height of Binary Tree
- Balanced Tree Check
- Kth from End of Linked List
- Middle of a Linked List
- Left View of Binary Tree
- Transform to Sum Tree
- Queue using two Stacks
- Stack using two queues
- Level Order in spiral form
- DFS of Graph
- Stack using Linked List
- BFS of graph
- Identical Trees
- Lowest Common Ancestor in a BST
- Binary Search
- Three way partitioning
- Symmetric Tree
- Sum of Leaf Nodes
- Anagram
- Strings Rotations of Each Other
- Parenthesis Checker
- Minimum Cost of ropes
- Count number of hops
- Missing in Array
- Common in 3 Sorted Arrays
- Chocolate Distribution Problem
- Smallest subarray with sum greater than x
- Palindrome String
- Shop in Candy Store
- Minimum Operations
- Minimum number of Coins
- India and its Spirituality
- Smallest Mapped String
- Checkmate
- Rearrange characters
- Rotate a Linked List
- Sort a linked list of 0s, 1s and 2s
- Add Number Linked Lists
- Detect Loop in linked list
- Count BST nodes that lie in a given range
- Bottom View of Binary Tree
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Heap Sort
- Merge two sorted linked lists
- Add all greater values to every node in a BST
- Connect Nodes of Levels
- Flattening a Linked List
- Diagonal Tree Traversal
- Tree Boundary Traversal
- Directed Graph Cycle
- Undirected Graph Cycle
- LCA in Binary Tree
- Maximum difference between node and its ancestor
- Two Stacks in an Array
- Topological sort
- Vertical Tree Traversal
- Find the number of islands
- Get Min from Stack
- Serialize and deserialize a binary tree
- Gas Station
- Kth element in Matrix
- Clone a Binary Tree
- Dijkstra Algorithm
- Count Palindromic Subsequences
- Multiply two strings
- Minimum Swaps to Sort
- Maximum Difference
- Palindrome Linked List
- Strongly Connected
- Sort a stack
- Top View of Binary Tree
- Right Sibling in Binary Tree
- ZigZag Tree Traversal
- Kadane's Algorithm
- Count Inversions
- Distance of nearest cell having 1
- Subarray with 0 sum
- Next Greater Element
- K Sized Subarray Maximum
- Minimum Platforms
- Largest number in K swaps
- Minimum Jumps
- Ways to Reach the n'th Stair
- Egg Dropping Puzzle
- Optimal Strategy For A Game
- Longest Increasing Subsequence
- Longest Common Subsequence
- 0 - 1 Knapsack Problem
- Shortest Common Supersequence
- Rotten Oranges
- Maximize The Cut Segments
- Word Break
- Sum of Middle elements of two sorted arrays
- Single Among Doubles in a Sorted
- Painting the Fence
- Search in Rotated Sorted Array
- Maximum Product Subarray
- Row with max 1s
- Count the Reversals
- Factorials of large numbers
- Longest Common Substring
- Smallest distinct window
- K-th element of two Arrays
- Valid Substring
- Permutations of a String
- Friends Pairing Problem
- Max Sum Increasing Subsequence
- Minimum cost to fill given weight in a bag
- Coin Change (Count Ways)
- Gold Mine Problem
- Longest subsequence-1
- Knapsack with Duplicate Items
- nCr
- Maximum path sum in matrix
- Partition Equal Subset Sum
- Help Classmates
- Choose and Swap
- Game with String
- Longest Repeating Subsequence
- Longest alternating subsequence
- Stream First Non-repeating
- Kth Largest in a Stream
- Snake and Ladder Problem
- Find the string in grid
- Floyd Warshall
- Flood fill Algorithm
- Shortest Source to Destination Path
- Maximum sum Rectangle
- K Element Extraction
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