四则运算

#include<stdio.h>
int main()
{
int x, y, z;
char c;
printf("格式为：数据运算符数据\n");
printf("请输入：");
scanf_s("%d%c%d", &x, &c, 1, &y);//在vs2017中输入字符型变量需要定义长度否则出错
switch (c)
{
case '+':
z = x + y;
break;
case '-':
z = x - y;
break;
case '*':
z = x * y;
break;
case '/':
z = x / y;
break;
default:
printf("erro!");
break;
}
printf("%d", z);
return 0;
}

标签：case,运算符,erro,四则运算,break,printf,输入
来源： https://www.cnblogs.com/haodong18/p/13806583.html