S0xGBB - Online C Compiler & Debugging Tool

#include <stdio.h>

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

int main(void)
{
    int x, y;
    int sum, diff, mul, mod;

    printf("x を入力してください: ");
    scanf("%d", &x);
    printf("y を入力してください: ");
    scanf("%d", &y);

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

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

    return 0;
}

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

    if (x >= y)
        *diff = x - y;
    else
        *diff = y - x;

    *mul = x * y;

    if (y != 0)
        *mod = x / y;
    else
        *mod = 0;
}