bca c language codes semester 1

swapping of two numbers with third variable
#include<stdio.h>
int main()
{
int a,b,c;
printf("swapping of two numbers using third variable");
printf("\nlet first number be 'a':");
scanf("%d",&a);
printf("\nlet second number be 'b':);
scanf("%d",&b);
c=a;
a=b;
b=c;
printf("after swapping numbers are : a=%d,b=%d",a,b);
return 0;}