1ILenp - Online C Compiler & Debugging Tool

#include <stdio.h>

void swap(int *x, int *y);
void sort(int *x, int *y);

int main() {
    int a, b;

    scanf("%d", &a);
    scanf("%d", &b);

    sort(&a, &b);

    printf("%d,%d\n", a, b);

    return 0;
}

void swap(int *x, int *y) {
    int w;
    w = *x;
    *x = *y;
    *y = w;
}

void sort(int *x, int *y) {
    if (*x < *y) {
        swap(x, y);
    }
}