Knight Moves Problem Description A friend of you is doing research on the Traveling Knight Problem (TKP) where you are to find the shortest closed tour of knight moves that visits each square of a given set of n squares on a chessboard exactly once.…
THE DRUNK JAILER Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 24918   Accepted: 15632 Description A certain prison contains a long hall of n cells, each right next to each other. Each cell has a prisoner in it, and each cell is locked…
1.登陆苹果开发者中心http://developer.apple.com(99美元账号) 2.进入itunes connect 3.选择Manage Your Apps 4.选择Add New App 5.填写项目相关信息,不知道怎么填的点击问号查看,Bundle ID Suffix需要与上一篇申请发布证书中锁填的后缀一致,否则在上传项目时会出错,需要重新打包 6.然后是选择项目价格和日期 7.接下来的页面要填写项目的完整信息 页面比较大,四张截图 ① ② 这个一般全部选择None ③ URL…
法一:var myarr=[[0,1,2],[1,2,3]]; 将[0,1,2]看做原来的0,将[1,2,3]看做原来的1,而二者又分别为子数组 如myarr[0][1]=1,myarr[1][1]=3 法二: var myarr=new Array(); //先声明一维 for(var i=0;i<2;i++){ //一维长度为2 myarr[i]=new Array(); //再声明二维 for(var j=0;j<3;j++){ //二维长度为3 myarr[i][j]=i+j; //…
A Knight’s Journey Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 34085 Accepted: 11621 Description Background The knight is getting bored of seeing the same black and white squares again and again and has decided to make a journey around…
Nightmare Problem Description Ignatius had a nightmare last night. He found himself in a labyrinth with a time bomb on him. The labyrinth has an exit, Ignatius should get out of the labyrinth before the bomb explodes. The initial exploding time of th…
一.什么是正则表达式 正则表达式,又称正规表示法,是对字符串操作的一种逻辑公式.正则表达式可以检测给定的字符串是否符合我们定义的逻辑,也可以从字符串中获取我们想要的特定部分.它可以迅速地用极简单的方式达到字符串的复杂控制. 二.正则表达式的语法 看一个过滤纯数字的例子 - (BOOL)validateNumber:(NSString *) textString { NSString* number=@"^[0-9]+$"; NSPredicate *numberPre = [NSPre…
哈密顿绕行世界问题 Time Limit : 3000/1000ms (Java/Other)   Memory Limit : 32768/32768K (Java/Other) Total Submission(s) : 66   Accepted Submission(s) : 33 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description 一个规则的实心十二面体,它的 20个顶点标出世界著名的…
A计划 Time Limit : 3000/1000ms (Java/Other)   Memory Limit : 32768/32768K (Java/Other) Total Submission(s) : 76   Accepted Submission(s) : 37 Font: Times New Roman | Verdana | Georgia Font Size: ← → Problem Description 可怜的公主在一次次被魔王掳走一次次被骑士们救回来之后,而今,不幸的…
以下程序在hadoop1.2.1上测试成功. 本例先将源代码呈现,然后详细说明执行步骤,最后对源代码及执行过程进行分析. 一.源代码 package org.jediael.hadoopdemo.wordcount; import java.io.IOException; import java.util.StringTokenizer; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.Path;…