sl305.cpp

Visual C++ 的学习资料一

// sl305.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include "iostream.h"

int main()
{
	int num,i=1,sum=0;
	cout<<"输入一个数："<<"\n";
	cout<<"num = ";
	cin >>num;
	XUNHUAN:
	if(i <= num)
	{
		sum += i;
		i++;
		goto XUNHUAN;
	}
	cout<<"从1加到"<<num<<"和是："<<sum<<"\n";
}