hbH7vu - Online C Compiler & Debugging Tool

#include <stdio.h>


void cal(int x, int y, int *sum, int *diff, int *mul, int *mod);

void cal(int x, int y, int *sum, int *diff, int *mul, int *mod) {
    // 1. 和
    *sum = x + y;

    *diff = (x > y) ? (x - y) : (y - x);

    *mul = x * y;


    *mod = x / y;
}
int main() {
    int x, y;
    int sum, diff, mul, mod;

    printf("x を入力してください: ");

    if (scanf("%d", &x) != 1) return 1;

    printf("y を入力してください: ");

    if (scanf("%d", &y) != 1) return 1;


    if (y == 0) {
        printf("yに0が入力されました。計算できません。\n");
        return 1;
    }

    cal(x, y, &sum, &diff, &mul, &mod);

    printf("和  = %d\n", sum);
    printf("差  = %d\n", diff);
    printf("積  = %d\n", mul);
    printf("商(切り捨て) = %d\n", mod);

    return 0;
}