请用c语言编写一个小程序，输入一批自然数,求累积和,输入-1结束

Question

如题所述

Answer 1

#include "stdio.h"

void main()
{
int x,sum=0;
while(scanf("%d",&x)>0)
{
if(x==-1)
break;
sum+=x;
}
printf("the sum = %d\n",sum);
}本回答被提问者采纳

Answer 2

#include<stdio.h>

void main()
{
int n,sum=0;
while(scanf("%d",&n) && n!=-1)
{
sum+=n;
}
printf("sum=%d\n",sum);
}