Write a program in C to swap 2 numbers.(By using 3rd variable)

 Program in C to add 2 numbers 

 #include<stdio.h>

#include<conio.h>

int main()

{

int a,b,c;

printf("Enter the value of a = ");

scanf("%d",&a);

printf("Enter the value of b = ");

scanf("%d",&b);

c=a;

a=b;

b=c;

printf(" Value in a = %d \n Value in b = %d",a,b);

return 0;

}

Output:-