Pointer- Swap Value

Code

#include <stdio.h>
void swap(int *p1, int *p2) 
{
    // Your logic here
    int temp;
    temp=*p1;
    *p1=*p2;
    *p2=temp;
}
int main() 
{
    int a, b;
    scanf("%d %d", &a, &b);
    swap(&a, &b);
    printf("a = %d ", a);
    printf("b = %d", b);
    return 0;
}

Solving Approach