Xingxing Zheng

Todo List

3 min read · 2024

65. Valid Number

7 min read · December 11, 2024

2024 · Hard · LeetCode Array
2717. Semi-Ordered Permutation

7 min read · December 11, 2024

2024 · Easy · LeetCode Array
935. Knight Dialer

6 min read · December 10, 2024

2024 · Medium · LeetCode Dynamic Programming
2981. Find Longest Special Substring That Occurs Thrice I

7 min read · December 10, 2024

2024 · Medium · LeetCode String
38. Count and Say

5 min read · December 10, 2024

2024 · Medium · LeetCode String