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python应用案例
生成激活码#!/usr/bin/envpython #encoding:utf-8 #Author:sean importstring importrandom #激活码中的字符和数字 field=string.letters+string.digits #获得四个字母和数字的随机组合 defgetRandom(): return‘‘.join(random.sample(field,4)) #生成的每个激活码中有几组 ..
分类:编程语言   时间:2017-02-21 19:55:34    阅读次数:240
采用Javascript 生成随机数
functiongenerateId(length){ length=length||10; varletters=‘abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789‘; vars=‘‘; for(vari=0;i<length;i++){ s+=letters.charAt(Math.floor(Math.random()*letters.length)); } returns;}
分类:编程语言   时间:2017-02-20 23:16:52    阅读次数:163
[LeetCode] Keyboard Row 键盘行
Given a List of words, return the words that can be typed using letters of alphabet on only one row's of American keyboard like the image below. Examp ...
分类:其他好文   时间:2017-02-20 22:31:57    阅读次数:207
LeetCode-500. Keyboard Row
Given a List of words, return the words that can be typed using letters of alphabet on only one row's of American keyboard ...
分类:其他好文   时间:2017-02-11 19:02:35    阅读次数:208
17. Letter Combinations of a Phone Number
Given a digit string, return all possible letter combinations that the number could represent. A mapping of digit to letters (just like on the telepho ...
分类:其他好文   时间:2017-02-11 15:51:24    阅读次数:176
USACO 4.3 Letter Game (字典树)
Letter games are popular at home and on television. In one version of the game, every letter has a value, and you collect letters to form one or more ...
分类:其他好文   时间:2017-02-02 12:15:33    阅读次数:213
UVa 1451 Average -斜率优化
A DNA sequence consists of four letters, A, C, G, and T. The GC-ratio of a DNA sequence is the number of Cs and Gs of the sequence divided by the leng ...
分类:其他好文   时间:2017-01-26 23:07:31    阅读次数:258
LeetCode Word Pattern II
原题链接在这里:https://leetcode.com/problems/word-pattern-ii/ 题目: Given a pattern and a string str, find if str follows the same pattern. Here follow means a ...
分类:其他好文   时间:2017-01-26 08:31:37    阅读次数:176
Leetcode:389.Find the Difference
题目: Given two strings s and t which consist of only lowercase letters. String t is generated by random shuffling string s and then add one more letter ...
分类:其他好文   时间:2017-01-25 14:25:48    阅读次数:187
Find All Anagrams in a String Leetcode
Given a string s and a non-empty string p, find all the start indices of p's anagrams in s. Strings consists of lowercase English letters only and the ...
分类:其他好文   时间:2017-01-18 12:05:01    阅读次数:225
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