08/01/15 11:46:59
>>28
#include <stdio.h>
double power(double a,int n)
{
return n ? a*power(a,n-1):1;
}
int main(void)
{
double a;
int n;
printf("実数a入力>"); scanf("%lf",&a);
do{
printf("非負整数n入力>"); scanf("%d",&n);
}while(n<0);
printf("%.2lf\n",power(a,n));
return 0;
}