text3.cpp

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//#include   <stdio.h>  
//#include   <stdlib.h>  
#include     <windows.h>
#include   "iostream.h"

void   main()   
{   
	cout<<"先输入字符串，点右键清屏";
	char str[50];
	cin>>str;
    while(1)
	{
		if(GetKeyState(VK_RBUTTON)<0)
		{
			system("cls");
			break;
		}
	}
}