07/06/26 23:49:38
>>320
目に付いた(2)だけ
#include <stdio.h>
double pow_f(double x, int p) {
double f;
if(p==0) return 1;
f = pow_f(x, p-1) * (x-p+1);
return f;
}
int main(void) {
double x;
int p;
scanf("%lf %d",&x ,&p);
printf("%.1f",pow_f(x, p));
return 0;
}