Find the length of the longest substring T of a given string (consists of lowercase letters only) such that every character in T appears no less than ...
时间限制:10000ms单点时限:1000ms内存限制:256MB 描述 We say a string is beautiful if it has the equal amount of 3 or more continuous letters (in increasing order.)Her ...
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其他好文 时间:
2017-01-12 19:56:49
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227
Given an arbitrary ransom note string and another string containing letters from all the magazines, write a function that will return true if the rans... ...
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其他好文 时间:
2017-01-10 23:51:04
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404
public string GetMD5Str(string input) { // Use input string to calculate MD5 hash MD5 md5 = System.Security.Cryptography.MD5.Create(); byte[] inputByt ...
原题链接在这里:https://leetcode.com/problems/longest-palindrome/ 题目: Given a string which consists of lowercase or uppercase letters, find the length of the ...
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其他好文 时间:
2017-01-08 09:09:43
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169
Given a 2D board and a word, find if the word exists in the grid. The word can be constructed from letters of sequentially adjacent cell, where "adjac ...
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其他好文 时间:
2017-01-04 23:08:39
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187
Problem: Given a pattern and a string str, find if str follows the same pattern. Here follow means a full match, such that there is a bijection betwee ...
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其他好文 时间:
2017-01-03 09:43:38
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194
函数paste的一般使用格式为: paste(..., sep = " ", collapse = NULL) 其中...表示一个或多个R可以被转化为字符型的对象;参数sep表示分隔符,默认为空格;参数collapse可选,如果不指定值,那么函数paste的返回值是自变量之间通过sep指定的分隔符连 ...
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其他好文 时间:
2016-12-28 18:18:54
阅读次数:
247
生成20个随机的文件,由于没有用到hash名字,文件名有可能会重复每个文件中有30-50条序列每条序列的长度为70-120个碱基importos
importrandom
importstring
print(dir(string))
letter=string.ascii_letters
os.chdir("D:\\")
bases={1:"A",2:"T",3:"C",4:"G"}
##Testran..
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编程语言 时间:
2016-12-25 18:58:41
阅读次数:
207
<?php $numbers = range(1, 10); echo "<pre>"; var_dump($numbers); echo "</pre>"; echo "<hr>"; $letters = range('a', 'z'); echo "<pre>"; var_dump($lette ...
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编程语言 时间:
2016-12-24 20:12:12
阅读次数:
120