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Browse DSA Problems

Explore our curated collection of data structures and algorithms problems. Filter by difficulty, category, or search for specific problems.

30 problems found

12
Completed
18
Remaining
40%
Progress

Two Sum

EasyArrays49% acceptance

Add Two Numbers

MediumLinked List40% acceptance

Longest Substring Without Repeating Characters

MediumStrings34% acceptance

Median of Two Sorted Arrays

HardBinary Search36% acceptance

Longest Palindromic Substring

MediumStrings32% acceptance

Zigzag Conversion

MediumStrings45% acceptance

Reverse Integer

MediumArrays27% acceptance

String to Integer (atoi)

MediumStrings16% acceptance

Palindrome Number

EasyArrays53% acceptance

Regular Expression Matching

HardDynamic Programming28% acceptance

Container With Most Water

MediumTwo Pointers54% acceptance

Integer to Roman

MediumStrings61% acceptance

Roman to Integer

EasyStrings58% acceptance

Longest Common Prefix

EasyStrings41% acceptance

3Sum

MediumTwo Pointers32% acceptance

3Sum Closest

MediumTwo Pointers46% acceptance

Letter Combinations of a Phone Number

MediumBacktracking57% acceptance

4Sum

MediumTwo Pointers37% acceptance

Remove Nth Node From End of List

MediumLinked List41% acceptance

Valid Parentheses

EasyStrings40% acceptance

Merge Two Sorted Lists

EasyLinked List62% acceptance

Generate Parentheses

MediumBacktracking72% acceptance

Merge k Sorted Lists

HardLinked List50% acceptance

Swap Nodes in Pairs

MediumLinked List61% acceptance

Reverse Nodes in k-Group

HardLinked List54% acceptance

Maximum Subarray

MediumDynamic Programming50% acceptance

Climbing Stairs

EasyDynamic Programming51% acceptance

Binary Tree Inorder Traversal

EasyTrees73% acceptance

Validate Binary Search Tree

MediumTrees31% acceptance

Number of Islands

MediumGraphs56% acceptance