Functions & Modular Programming - Practice

#include <stdio.h>

void swap(int *a, int *b) {
    int temp = *a;
    *a = *b;
    *b = temp;
}

int max(int a, int b) { return (a > b) ? a : b; }
int min(int a, int b) { return (a < b) ? a : b; }

int main() {
    int x = 10, y = 20;
    printf("Before swap: x=%d, y=%d\n", x, y);
    swap(&x, &y);
    printf("After swap: x=%d, y=%d\n", x, y);
    printf("Max: %d, Min: %d\n", max(x,y), min(x,y));
    return 0;
}