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SCHOOL (2)
BASIC (12)
EASY (27)
MEDIUM (66)
HARD (3)
- Detect Loop in linked list
- Binary Tree from Inorder and Postorder
- Bottom View of Binary Tree
- Intersection in Y Shaped Lists
- Diameter of a Binary Tree
- Diagonal Tree Traversal
- Tree Boundary Traversal
- Directed Graph Cycle
- Undirected Graph Cycle
- LCA in Binary Tree
- Max sum path in two arrays
- Largest subarray with 0 sum
- Topological Sort
- Vertical Tree Traversal
- Find the number of islands
- Max sum in the configuration
- Is Binary Tree Heap
- Dijkstra Algorithm
- Minimum Spanning Tree
- Sorted subsequence of size 3
- Palindrome Linked List
- Bipartite Graph
- Merge k Sorted Arrays
- Top View of Binary Tree
- k-th Smallest in BST
- Mountain Subarray Problem
- K Sum Paths
- Construct Tree from Inorder & Preorder
- Children Sum in a Binary Tree
- Sum of nodes on the longest path
- Kth Ancestor in a Tree
- Maximum Non-Adjacent Nodes Sum
- Tower Of Hanoi
- Wave Array
- Rotate Array
- Count Inversions
- Indexes of Subarray Sum
- Merge Without Extra Space
- Distance of nearest cell having 1
- Stock span problem
- Next Greater Element
- Minimum Cost of ropes
- Stickler Thief
- 0 - 1 Knapsack Problem
- Kth Smallest
- Rotten Oranges
- Top K Frequent in Array
- Prerequisite Tasks
- Sort 0s, 1s and 2s
- Count Occurences of Anagrams
- First negative in every window of size k
- Perfect Sum Problem
- Maximum path sum in matrix
- Permutation with Spaces
- Smaller on Left
- Replace O's with X's
- Flood fill Algorithm
- Subset Sum Problem
- Flatten binary tree to linked list
- Course Schedule II
- Reverse a Stack
- K-th Largest Sum Contiguous Subarray
- Number of Distinct Islands
- Number Of Enclaves
- Minimum number of jumps
- Maximum Points Covered
- Right View of Binary Tree
- Maximum Width of Tree
- Height of Binary Tree
- Left View of Binary Tree
- DFS of Graph
- BFS of graph
- Remove Duplicates from an array
- Third largest element
- Minimum distance in an Array
- Array Duplicates
- Inorder Successor in BST
- Symmetric Tree
- Delete Mid of a Stack
- Max and Second Max
- Equilibrium Point
- Transpose of Matrix
- Most Frequent Character
- N meetings in one room
- Missing And Repeating
- Sum of elements between k1'th and k2'th smallest elements
- Search in a Row-Column sorted matrix
- Merge two binary Max heaps
- Max Sum Subarray of size K
- Equilibrium Point
- Bots on social media
- Geek & Geekina Purchasing Ice Cream
- Toggle