Dev - C++ - ayuda con programa dev c++ <stdio.h>

unsigned long x;

unsigned int n,i;

int b;

printf ("Introduce la base: ");

scanf ("%i",&b);

printf ("Introduce el exponente: ");

scanf ("%d",&n);

x=b;

for (i=0;i <n;i++)

    x*=b;

printf ("Resultado: %ld",x);