Home
Leetcode
About
#lc_hash_table
Sep 2020
1 Two Sum
Sep 2021
36 Valid Sudoku
Aug 2022
49 Group Anagrams
Aug 2022
127 Word Ladder
Sep 2020
136 Single Number
Aug 2022
138 Copy List with Random Pointer
Sep 2021
146 LRU Cache
Mar 2023
149 Max Points on a Line
Sep 2022
311 Sparse Matrix Multiplication
Sep 2021
350 Intersection of Two Arrays II
Feb 2023
359 Logger Rate Limiter
Aug 2022
380 Insert Delete GetRandom O(1)
Sep 2022
381 Insert Delete GetRandom O(1) - Duplicates allowed
Dec 2020
387 First Unique Character in a String
Sep 2022
398 Random Pick Index
Nov 2022
451 Sort Characters By Frequency
Sep 2022
460 LFU Cache
Aug 2022
496 Next Greater Element I
Sep 2022
535 Encode and Decode TinyURL
Aug 2022
560 Subarray Sum Equals K
Sep 2022
582 Kill Process
Sep 2022
588 Design In-Memory File System
Nov 2022
895 Maximum Frequency Stack
Sep 2022
987 Vertical Order Traversal of a Binary Tree
Sep 2022
1010 Pairs of Songs With Total Durations Divisible by 60
Jan 2023
1048 Longest String Chain
Aug 2022
1152 Analyze User Website Visit Pattern
Sep 2022
1169 Invalid Transactions
Mar 2023
1189 Maximum Number of Balloons
Sep 2022
1244 Design A Leaderboard
Nov 2022
1331 Rank Transform of an Array
Nov 2022
1338 Reduce Array Size to The Half
Sep 2022
1347 Minimum Number of Steps to Make Two Strings Anagram
Sep 2022
1396 Design Underground System
Sep 2022
1429 First Unique Number
Sep 2022
1570 Dot Product of Two Sparse Vectors
Sep 2022
1583 Count Unhappy Friends
Jan 2023
2013 Detect Squares
Jan 2023
2034 Stock Price Fluctuation
Jan 2023
2158 Amount of New Area Painted Each Day