Pointer- Swap Value

Code

#include <stdio.h>

void swap(int *x, int*y){
    int tmp = *x; 
    *x = *y; 
    *y = tmp; 
}

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