E4FJam - 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, sum, diff, mul, mod;
    scanf("%d", &x);
    scanf("%d", &y);

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

    printf("和は%dです\n", sum);
    printf("差は %dです\n", diff);
    printf("積は%dです\n", mul);
    printf("商は%dです\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;
    }
}