Labeling Balls Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 11893 Accepted: 3408 Description Windy has N balls of distinct weights from 1 unit to N units. Now he tries to label them with 1 to N in such a way that: No two balls share the…

Largest Rectangle in a Histogram Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 11706    Accepted Submission(s): 3219 Problem Description A histogram is a polygon composed of a sequence of rec…

#include<cstdio> #include<cstring> using namespace std; bool map[505][505]; int n, k; bool vis[505]; int linker[505]; void sscanf() { int x, y; scanf("%d%d",&n,&k); for(int i=1;i<=k;i++) { scanf("%d%d",&x,&am…

Description Give you three sequences of numbers A, B, C, then we give you a number X. Now you need to calculate if you can find the three numbers Ai, Bj, Ck, which satisfy the formula Ai+Bj+Ck = X. Input There are many cases. Every data case is descr…

Description Farmer John is an astounding accounting wizard and has realized he might run out of money to run the farm. He has already calculated and recorded the exact amount of money (1 ≤ moneyi ≤ 10,000) that he will need to spend each day over the…

上次说到了网络请求AFN,那么我们在网络请求的时候,等待期间,为了让用户不认为是卡死或程序出错,一般都会放一个菊花加载,系统有一个菊花加载类叫UIProgressHUD.但是我今天要说的是一个替代它的第三方,叫做:MBProgressHUD.MBProgressHUD不光加载效果多,而且使用简单,便捷.github上有下载地址 下载地址是: http://github.com/matej/MBProgressHUD 先下载MBProgressHUD.h和.m文件,拖入工程. 以下是代码:(先在.…

Catch That Cow Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 58072   Accepted: 18061 Description Farmer John has been informed of the location of a fugitive cow and wants to catch her immediately. He starts at a point N (0 ≤ N ≤ 100,00…

全盘格式化,重装了Ubuntu和Windows,记录一下重新配置Ubuntu过程. //build-essential sudo apt-get install build-essential sudo apt-get install vim //input method sougou <span style="color:#33FF33;">sudo apt-get remove ibus</span> //去掉 sudo add-apt-repository…

http网络库是集XML解析,Json解析,网络图片下载,plist解析,数据流请求操作,上传,下载,缓存等网络众多功能于一身的强大的类库.最新版本支持session,xctool单元测试.网络获取数据一直是手机软件的重中之重,如果处理的不好,会造成很差的用户体验.随着ASIHTTPRequest的停止更新,更换网络库是必然的事情,AFNetworking就是很好的替代品.而且都是轻量级,不要担心加入太多库会多软件性能有影响. 1.为什么用第三方网络库?先说如果不用网络库,我曾有一次觉得什么都用…

Gold Balanced Lineup Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 13215 Accepted: 3873 Description Farmer John's N cows (1 ≤ N ≤ 100,000) share many similarities. In fact, FJ has been able to narrow down the list of features shared by h…