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2659: [Beijing wc2012]算不出的算式
2659: [Beijing wc2012]算不出的算式Time Limit:3 SecMemory Limit:128 MBSubmit:757Solved:425[Submit][Status]Description算不出的算式背景: 曾经有一个老掉牙的游戏放在我面前,我没有珍惜。直到这个游戏停...
分类:其他好文   时间:2015-01-02 23:36:35    阅读次数:164
Leetcode: Factorial Trailing Zeroes
Given an integer n, return the number of trailing zeroes in n!. Note: Your solution should be in logarithmic time complexity. 解析: 只有2和5相乘才会出现0,其中整十也可以看做是2和5相乘的结果,所以,可以在n之前看看有多少个2以及多少个5就行了,又发现2的数量...
分类:其他好文   时间:2015-01-02 22:28:57    阅读次数:213
根据时间删除sqlite3中数据
//根据时间删除- (void)deleteDataWithTime:(NSString *)time at:(NSString *)tableName{ //NSString *deleteSql = @"delete from LBBMesTable where Id =?"; NSStri.....
分类:数据库   时间:2015-01-02 19:55:38    阅读次数:215
Lua 笔记--数学库
一、数学库 --获取系统时间 print(os.time()) --调用math.sin函数 print(math.sin(30)) --[[将角度转换成弧度 math.deg(x) --将弧度转换成角度 math.rad(x) ]] --[[指数函数、对数函数 math.exp(x) math.log(x...
分类:其他好文   时间:2015-01-02 18:51:21    阅读次数:154
python之web路径扫描工具
# coding: UTF-8import sys, os, time, httplibimport relist_http=[] #http数组def open_httptxt(): #打开TXT文本写入数组 try: passlist = [] list_passlist=[] xxx = fi...
分类:编程语言   时间:2015-01-02 18:43:27    阅读次数:278
poj 3984 迷宫问题(bfs)
迷宫问题 Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 8695 Accepted: 5125 Description 定义一个二维数组: int maze[5][5] = { 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0,...
分类:其他好文   时间:2015-01-02 17:37:38    阅读次数:206
UVA 10010- Where's Waldorf?(八方向寻找字符串)
Where's Waldorf? Time Limit:3000MS     Memory Limit:0KB     64bit IO Format:%lld & %llu Submit Status Description   Where's Waldorf?  Given a m by n grid of lett...
分类:其他好文   时间:2015-01-02 17:36:45    阅读次数:179
HDU 1241 Oil Deposits(dfs)
Oil Deposits Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 13689    Accepted Submission(s): 7871 Problem Description The GeoSurvComp ...
分类:其他好文   时间:2015-01-02 17:36:24    阅读次数:179
poj 2251 Dungeon Master(bfs)
Dungeon Master Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 17264   Accepted: 6722 Description You are trapped in a 3D dungeon and need to find the quickest...
分类:其他好文   时间:2015-01-02 17:35:45    阅读次数:197
poj 3278 Catch That Cow(bfs)
Catch That Cow Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 49503   Accepted: 15506 Description Farmer John has been informed of the location of a fugitiv...
分类:其他好文   时间:2015-01-02 17:35:10    阅读次数:176
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