Pointer- Swap Value

Code

#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>

void swap(int *p1, int *p2) {  
	printf("a = %d", *p2);
    printf(" b = %d", *p1);
}

int main() {
    int x,y;
    scanf("%d %d", &x, &y);
    swap(&x, &y);

    return 0;
}

Solving Approach