#include <stdio.h>

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

int main() {
    int x = 5, y = 10;

    printf("Prima dello scambio: x = %d, y = %d\n", x, y);
    swap(&x, &y);
    printf("Dopo lo scambio: x = %d, y = %d\n", x, y);

    return 0;
}

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