swapping two numbers 3.c

//swapping two numbers
#include<stdio.h>

int main(){
 int a=1,b=2,temp;
 printf("\nbefore swapping A=%d and B=%d",a,b);
 temp=a;
 a=b;
 b=temp;
 printf("\nafter swapping A=%d and B=%d",a,b);
 return 0;


}