To Convert Hexadecimal to Octal and Vice Versa

#include <stdio.h>

int main()
{
int n;

printf("Enter an octal number: ");
scanf("%o",&n); /*Takes number in octal format. */

/* %o and %x will display the number is octal format and hexadecimal form respectively. */

printf("%o in octal = %x in hexadecimal", n, n);

printf("\nEnter an hexadecimal number: ");
scanf("%x",&n);               /* Takes number in hexadecimal format.*/

printf("%x in hexadecimal = %o in octal", n, n);
return 0;
}