hashing 7 LC 128 - Longest Consecutive Sequence Jun 17, 2024 LC 36 - Valid Sudoku Jun 16, 2024 LC 49 - Group Anagrams Jun 13, 2024 LC 347 - Top K Frequent Elements Jun 13, 2024 LC 242 - Valid Anagram Jun 13, 2024 LC 1 - Two Sum Jun 13, 2024 LC 217 - Contains Duplicate Jun 12, 2024