c语言

#include "stdio.h"
main()
{
double Xpower();
float x;
int n;
double r;
scanf("%f%d",&x,&n);
r=Xpower(x,n);
printf("Result=%f",r);
}
double Xopwer(x,n)
float x;
int n;
{
if(n<=0)
return(1);
else
return(x*Xpower(x,n-1));
}