Swapping Operation using third variable :-

QUESTION: Swapping operation using third variable (temp) 

#include <stdio.h>

int main ()

{

int a, b, temp;//a=10,b=20

printf ("enter the value of a &b "); // to print the output

scanf ("%d%d",&a,&b); // to take the input from the user

temp=a; //temp=10

a=b; //10=20

b=temp; //b=10, now a=30-b=30-10=20

printf ("after swapping a =%d and after swapping b=%d \n",a,b);

return 0;

}

INPUT :

OUTPUT:

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