Frequency-Counting
LeetCode 30: Substring with Concatenation of All Words
·2 分鐘
LeetCode
Daily
Hard
String
Sliding-Window
Two-Pointers
Hash-Map
Brute-Force
Frequency-Counting
三種作法:暴力、計數優化、偏移量滑動視窗。
LeetCode 567: Permutation in String
·2 分鐘
LeetCode
Daily
Medium
String
Sliding-Window
Hash-Map
Frequency-Counting
Permutation
LeetCode 解題紀錄 - 使用字符頻率的滑動窗口
LeetCode 438: Find All Anagrams in a String
·2 分鐘
LeetCode
Daily
Medium
String
Sliding-Window
Hash-Map
Anagram
Frequency-Counting
LeetCode 解題紀錄 - 使用字符頻率的滑動窗口