第1个回答 2008-06-10
int sum(int x,int,y)
{int z;
z=x+y;
return z;
}
int main()
{int a,b,c;
scanf("%d,%d,%d",a,b,c);
printf("%d\n",sum(sum(a,b),c));
return 0;
}
仅供参考本回答被提问者采纳
第2个回答 2008-06-10
#include<stdio.h>
#include<stdlib.h>
int sum(int x,int y)
{return x+y;}
void main(){
int a,b,c;
printf("Please input three number:");
scanf("%d%d%d",&a,&b,&c);
printf("Sum=%d\n",sum(sum(a,b),c));
system("pause");
}