#include<stdio.h>
int main()
{
int a,b,c;
double result;
a=1;
b=2;
c=6;
result=a+b+c;
printf("运算结果是%d\n",result);
return 0;
}
double换成int,return0后面是英文;不是中文;(注意;间隔宽)