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Linux-cut命令(22)
cut剪切命令cut命令通常用来对某个文本文件进行解析,擅长处理以一个字符间隔的文本内容 -b :以字节(bytes)为单位进行分割。这些字节位置将忽略多字节字符边界,除非也指定了 -n 标志。 -c :以字符(characters)为单位进行分割。 -d :自定义分隔符(delimiter),默认 ...
分类:系统相关   时间:2018-12-22 20:44:24    阅读次数:219
125. Valid Palindrome - Easy
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. Note: For the purpose of this problem, w ...
分类:其他好文   时间:2018-12-18 10:55:42    阅读次数:150
CF708B Recover the String 构造
For each string s consisting of characters '0' and '1' one can define four integers a00, a01, a10 and a11, where axy is the number of subsequences of ...
分类:其他好文   时间:2018-12-16 18:05:40    阅读次数:208
【LeetCode】161. One Edit Distance
Difficulty: Easy More:【目录】LeetCode Java实现 Description The API: int read4(char *buf) reads 4 characters at a time from a file.The return value is the a ...
分类:其他好文   时间:2018-12-13 21:18:34    阅读次数:179
[LeetCode] 340. Longest Substring with At Most K Distinct Characters
Given a string, find the length of the longest substring T that contains at most k distinct characters. Example 1: Input: s = "eceba", k = 2 Output: 3 ...
分类:其他好文   时间:2018-12-10 13:56:45    阅读次数:179
32. Longest Valid Parentheses
"""32. Longest Valid ParenthesesHard134368 Given a string containing just the characters '(' and ')', find the length of the longest valid (well-forme ...
分类:其他好文   时间:2018-12-09 20:05:49    阅读次数:159
shell 关于字符切割 cut
shell中运用于字符切割的是cut 其中 参数分别代表得意义是: -d :后面接分隔字符,将一段信息分割为数段,与 -f 一起使用 -f :将-d分割出来的数段 用 -f 取出第几段的意思 -c :以字符 (characters) 的单位取出固定字符区间; 例如: 输出的是:home 输出的是第2 ...
分类:系统相关   时间:2018-12-04 13:18:05    阅读次数:177
205. Isomorphic Strings - Easy
Given two strings s and t, determine if they are isomorphic. Two strings are isomorphic if the characters in s can be replaced to get t. All occurrenc ...
分类:其他好文   时间:2018-12-03 20:16:19    阅读次数:204
UVA10405 Longest Common Subsequence【LCS+DP】
Given two sequences of characters, print the length of the longest common subsequence of both sequences.     Sequence 1:  &nb ...
分类:其他好文   时间:2018-12-02 19:20:57    阅读次数:225
dart之旅(二)- 内建类型
像大多数语言一样,dart也提供了number,string,boolean等类型,包括以下几种: numbers strings booleans lists (also known as arrays) maps runes (for expressing Unicode characters ...
分类:其他好文   时间:2018-12-02 16:17:27    阅读次数:294
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