我刚开始的c++小程序
做什么事情都有个开始,以前都不知道从哪下手知道自己很菜 ,装了vs.net2005用里面的工具编了第一个程序,知道很白痴,不过是自己的嘛,嘿嘿
#include "stdafx.h"
#include <iostream>
#include "windows.h"
using namespace std;
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int _tmain(int argc, _TCHAR* argv[])
{
cout<<endl<<"hello world\a"<<endl;
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for(int i=0;i<5000;i++);
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Sleep(10000);
return 0;
}
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编的时候结果程序老一闪而过 看不到输出结果,后来百度了一下,哦原来要加sleep();(tc环境下用delay(),要引入库文件dos.h) 引入sleep();要用到一个包含文件windows.h (vs环境下)而且首字母要大写
还知道为啥还要加 using namespace std 原来声明实在头文件里,而定义是在命名空间 std中 嘿 也不知道理解错了没 也知道了 endl和\n的区别了 ~~ endl是使缓冲区流出后再写入换行
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还知道为啥还要加 using namespace std 原来声明实在头文件里,而定义是在命名空间 std中 嘿 也不知道理解错了没 也知道了 endl和\n的区别了 ~~ endl是使缓冲区流出后再写入换行