Ultimate DSA problems

## Your one stop solution for DSA revision

We have hand picked the best problems from the most popular coding platforms and curated them into a single platform for you to practice and revise.

Problem | Code | |||
---|---|---|---|---|

Recursion | ||||

Fibonacci | ||||

Tribonacci | ||||

Climbing Stairs | ||||

Min Cost Climbing Stairs | ||||

House Robber | ||||

House Robber 2 | ||||

Subsets | ||||

Combinations | ||||

Generate Parentheses | ||||

Decode Ways | ||||

Permutations | ||||

N-Queens | ||||

Sudoku Solver | ||||

Dynamic Programming | ||||

Fibonacci | ||||

LCS | ||||

Edit Distance | ||||

Wildcard Matching | ||||

Partition Equal Subset Sum | ||||

Coin Change | ||||

Regular Expression Matching | ||||

Palindromic Substrings | ||||

Longest Palindromic Substring | ||||

Longest Palindromic Subsequence | ||||

Palindrome Partitioning | ||||

Palindrome Partitioning 2 | ||||

Word Break | ||||

Buy and Sell Stock K Transactions | ||||

Kanpsack | ||||

LIS | ||||

Kadane's Max Subarray | ||||

Unique Paths | ||||

Square Submatrices | ||||

Matrix Chain Multiplication | ||||

Binary tree | ||||

Path Sum 2 | ||||

Root to Leaf Nos Sum | ||||

Pre Order | ||||

Post Order | ||||

In Order | ||||

Level Order Traversal | ||||

Level Order Traversal 2 | ||||

ZigZag Level Order Traversal | ||||

Right View of Binary Tree | ||||

Vertical Order Traversal | ||||

BT From Pre and Inorder | ||||

BT From Post and Inorder | ||||

LCA of BT | ||||

Serialise Deserialise | ||||

BST | ||||

Insert in Bst | ||||

Validate BST | ||||

Construct BST From Preorder | ||||

Delete Node in Bst | ||||

LCA of BST | ||||

Unique BSTs | ||||

Unique BSTs 2 | ||||

N-Ary Trees | ||||

Level Order Traversal | ||||

Graphs | ||||

Find Path | ||||

No of Provinces | ||||

No of Islands | ||||

Numbers With Same Consecutive Differences | ||||

Clone Graph | ||||

Bipartite | ||||

Matrix 01 | ||||

Word Ladder | ||||

Course Schedule | ||||

Course Schedule 2 | ||||

Dijkstra Algo | ||||

Network Delay Time | ||||

Cheapest Flights With K-Stops | ||||

Min Cost to Connect Points |