LeetCode Python/Java/C++/JS  >  Hash Table

LeetCode Problem & Solution Link Difficulty Supported Languages Approaches Expl. Detail
349. Intersection of Two Arrays
Easy
Step by Step
242. Valid Anagram
Easy
Step by Step
1. Two Sum
Easy
3 Methods Step by Step
383. Ransom Note
Easy
Step by Step
202. Happy Number
Easy
Step by Step
454. 4Sum II
Medium
Step by Step
15. 3Sum
Medium
2 Methods Step by Step
49. Group Anagrams
Medium
Only Answer