Xingxing Zheng

Todo List

3 min read · 2024

1091. Shortest Path in Binary Matrix

7 min read · July 04, 2025

2025 · Medium · LeetCode BFS
3304. Find the K-th Character in String Game I

4 min read · July 03, 2025

2025 · Easy · LeetCode Math
3330. Find the Original Typed String I

3 min read · July 01, 2025

2025 · Easy · LeetCode String
Algorithm of Rate Limiter

26 min read · July 01, 2025

2025 · System Design Other
594. Longest Harmonious Subsequence

4 min read · June 30, 2025

2025 · Easy · LeetCode HashTable