Fence Repair Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 32424 Accepted: 10417 Description Farmer John wants to repair a small length of the fence around the pasture. He measures the fence and finds that he needs N (1 ≤ N ≤ 20,000) pla…

A Plug for UNIX Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 14786 Accepted: 4994 Description You are in charge of setting up the press room for the inaugural meeting of the United Nations Internet eXecutive (UNIX), which has an interna…

Hiking Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 932 Accepted Submission(s): 483 Special Judge Problem Description There are n soda conveniently labeled by 1,2,-,n. beta, their best friend…

4 Values whose Sum is 0 Time Limit: 15000MS Memory Limit: 228000K Total Submissions: 17875 Accepted: 5255 Case Time Limit: 5000MS Description The SUM problem can be formulated as follows: given four lists A, B, C, D of integer values, compute how man…

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…

Snowflake Snow Snowflakes Time Limit: 4000MS Memory Limit: 65536K Total Submissions: 34762 Accepted: 9126 Description You may have heard that no two snowflakes are alike. Your task is to write a program to determine whether this is really true. Your…

我们都知道,android的调试打了断点之后运行时要使用debug as->android application 但是这样的运行效率非常低,那么我们有没有快速的方法呢? 当然有. 我们打完断点之后,不使用debug as 而是使用run as,运行之后,打开ddms,如图,选中调试的设备. 然后点击上面的绿色按钮,这个时候再把断点挂上 然后在运行android应用的过程中当运行到断点处就会停下来. 这样调试速度会非常快. 版权声明:本文为博主原创文章,未经博主允许不得转载.若有错误地方,还望批…

UIButton是ios中用来响应用户点击事件的控件.继承自UIControl 1.创建控件 UIButton *button=[UIButton buttonWithType:UIButtonTypeCustom]; 2.设置属性 (1).为按钮上颜色 button.backgroundColor=[UIColor yellowColor]; (2).为按钮设置大小 button.frame=CGRectMake(20, 100, 280, 50); (3)为按钮设置样式 [button se…

UITextField 继承自UIControl,他是在UILabel基础上,对了文本的编辑.可以允许用户输入和编辑文本 UITextField的使用步骤 1.创建控件 UITextField *textField=[[UITextField alloc]initWithFrame:CGRectMake(10, 100, 300, 50)]; textField.tag=100;//为textField赋tag,目的是可以通过父视图找到textField 2.设置属性 (1).设置背景 text…

uml是什么东西?统一建模语言,一门语言,是用来进行软件设计的一门语言. 其实一门语言的诞生并不伟大,让大多数人都使用才足够伟大.uml就是一门伟大的语言,因为目前软件设计的唯一语言就是它. UML其实还是比较简单的,就那么几个图形,那么几种模式,但是因为他是唯一的语言,所以有设计能力的人都能很容易看懂你说的什么,这就是他的伟大之处. 我说一下在软件设计中最常用的几个,以及我的心得: 用例图,在了解用户需求时非常有效,他仅用来描述系统需要提供的功能,本身没有顺序,不要用来描述流程.注意使用扩展和…