[LeetCode] Set Mismatch 设置不匹配

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[LeetCode] Set Mismatch 设置不匹配

The set S originally contains numbers from 1 to n. But unfortunately, due to the data error, one of the numbers in the set got duplicated to another number in the set, which results in repetition of one number and loss of another number. Given an arr…

Leetcode（10）正则表达式匹配

Leetcode(10)正则表达式匹配 [题目表述]: 给定一个字符串 (s) 和一个字符模式 (p).实现支持 '.' 和 '*' 的正则表达式匹配. '.' 匹配任意单个字符. '*' 匹配零个或多个前面的元素. 匹配应该覆盖整个字符串 (s) ,而不是部分字符串. 第一次:未完成(未能解决.*问题 class Solution: def isMatch(self, s: str, p: str) -> bool: index_s=0 index_p=0 form_num='' if len…

[LeetCode] Regular Expression Matching 正则表达式匹配

Implement regular expression matching with support for '.' and '*'. '.' Matches any single character. '*' Matches zero or more of the preceding element. The matching should cover the entire input string (not partial). The function prototype should be…

Ubuntu下VS Code 字体设置 + 标签匹配、括号匹配插件

Ubuntu下比较好看的字体有: Courier NewSource Code ProWenQuanYi Micro HeiWenQuanYi Micro Hei MonoUbuntuDroid Sans Mono Fira Code Fira Code RetinaEnable font ligatures --true 如下是Ubuntu下VSCode默认字体设置 "'Droid Sans Mono', 'monospace', monospace, 'Droid Sans Fallback…

[LeetCode][Facebook面试题] 通配符匹配和正则表达式匹配，题 Wildcard Matching

开篇通常的匹配分为两类,一种是正则表达式匹配,pattern包含一些关键字,比如'*'的用法是紧跟在pattern的某个字符后,表示这个字符可以出现任意多次(包括0次). 另一种是通配符匹配,我们在操作系统里搜索文件的时候,用的就是这种匹配.比如 "*.pdf",'*'在这里就不再代表次数,而是通配符,可以匹配任意长度的任意字符组成的串.所以"*.pdf"表示寻找所有的pdf文件. 在算法题中,往往也会有类似的模拟匹配题,当然考虑到当场实现的时间,会减少通配符数量…

[LeetCode] 44. Wildcard Matching 外卡匹配

Given an input string (s) and a pattern (p), implement wildcard pattern matching with support for '?' and '*'. '?' Matches any single character. '*' Matches any sequence of characters (including the empty sequence). The matching should cover the enti…