基础编程题目集 7-12 两个数的简单计算器 (10分)

#include <stdio.h>
int main()
{
    int a, b;
    char operate;
    scanf("%d %c %d", &a, &operate, &b);
    switch (operate)
    {
    case '+':
        printf("%d", a + b);
        break;
    case '-':
        printf("%d", a - b);
        break;
    case '*':
        printf("%d", a * b);
        break;
    case '/':
        printf("%d", a / b);
        break;
    case '%':
        printf("%d", a % b);
        break;
    default:
        printf("ERROR");
    }
    return 0;
}