/******************************************************************************
Welcome to GDB Online.
GDB online is an online compiler and debugger tool for C, C++, Python, PHP, Ruby,
C#, VB, Perl, Swift, Prolog, Javascript, Pascal, HTML, CSS, JS
Code, Compile, Run and Debug online from anywhere in world.
*******************************************************************************/
#include <stdio.h>
unsigned int foo (unsigned int num);
int
main ()
{
printf ("Hello World");
printf ("\n reverse = %d", foo (556677));
return 0;
}
unsigned int
foo (unsigned int num)
{
unsigned int ret_num = 0, temp;
while (num / 10 != 0)
{
ret_num += (num % 10);
num /= 10;
ret_num *= 10;
}
ret_num += num;
return ret_num;
}