Greetings
Akhil Singh Chauhan
Creator
Welcome to the grand collection of DSA & Large Optimizations problems with their solutions!
This site contains detailed explanations of several data structures and implementations of various algorithms through LeetCode problems.
Terminology & Strategies
Comprehend DSA & Optimizations golden-techniques, terminologies and strategies from here Glossary.
Explore 1 Free Problem in Every Category!
See the quality, depth, and explanations before unlocking ๐ premium.
1. Two Sum 15. 3Sum 424. Longest Repeating Character Replacement 739. Daily Temperatures 100. Same Tree 238. Product of Array Except Self 33. Search in Rotated Sorted Array 875. Koko Eating Bananas 146. LRU Cache 297. Serialize and Deserialize Binary Tree 355. Design Twitter 39. Combination Sum 207. Course Schedule 200. Number of Islands 1143. Longest Common Subsequence
Problem Categories
For a complete list of problem categories, see the Topics page.
Companies Asked Problems
For a complete list of company asked problems, see the Companies page.
Popular Lists
For beginner friendly popular lists, see the Popular Lists page