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2021年2月17日 #

LeetCode - 2 Keys Keyboard

摘要： Initially on a notepad only one character 'A' is present. You can perform two operations on this notepad for each step: Copy All: You can copy all the 阅读全文

posted @ 2021-02-17 16:06 IncredibleThings 阅读(31) 评论(0) 推荐(0) 编辑

LeetCode - Is Subsequence

摘要： Given two strings s and t, check if s is a subsequence of t. A subsequence of a string is a new string that is formed from the original string by dele 阅读全文

posted @ 2021-02-17 16:05 IncredibleThings 阅读(14) 评论(0) 推荐(0) 编辑