Hash 标签

2022

02-18

[LeetCode][287. Find the Duplicate Number] 9 Approaches：Brute Force, Count, Hash, In-place Marked, Sorting, Index Sort, Binary Search, Bit Manipulation, Fast Slow Pointers

02-13

[LeetCode][350. Intersection of Two Arrays II] 2 Solutions: Sort with Two Pointers and HashMap

02-10

[LeetCode][36. Valid Sudoku] 2 Approaches: HashSet and Array

02-07

[LeetCode][242. Valid Anagram] 3 Approaches: HashMap, Sorting and Counting

01-19

[LeetCode][219. Contains Duplicate II] 3 Approaches: Brute Force, HashMap and Sliding Window

2021

12-23

[Leetcode][1044. 最长重复子串] 3种方法：从暴力到二分，二分搜索 + 字符串哈希，后缀数组

12-22

[Leetcode][686. 重复叠加字符串匹配] 3种方法：暴力，字符串哈希，KMP算法

11-28

[LeetCode][438. 找到字符串中所有字母异位词] 滑动窗口：从HashMap，数组，再到统计字母数量之差

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