#include <stdio.h>

void swap(int *a, int *b) {
    int temp = *a;
    *a = *b;
    *b = temp;
}
void sort(int *x, int *y) {
    if (*x > *y) {
        swap(x, y);
    }
}

int main() {
    int x=5, y=10;
   
    sort(&x, &y);
    printf("並べ替え後: x = %d, y = %d\n", x, y);

    return 0;
}