/**
 * file: main.c
 * author: 简单教程(www.twle.cn)
 */


#include <stdio.h>

int main(){

    int dividend, divisor, quotient, remainder;

    printf("输入被除数: ");
    scanf("%d", &dividend);

    printf("输入除数: ");
    scanf("%d", &divisor);

    // 计算商
    quotient = dividend / divisor;

    // 计算余数
    remainder = dividend % divisor;

    printf("商 = %d\n", quotient);
    printf("余数 = %d\n", remainder);

    return 0;
}

$ gcc main.c && ./a.out
输入被除数: 27
输入除数: 13
商 = 2
余数 = 1