信息学一本通 · 启蒙篇第 46 课
#include using namespace std;double f(double x,double y) { double res = 1; for(int i = 0; i < y; i++) res *= x; ret
#include using namespace std;double f(double x,double y) { double res = 1; for(int i = 0; i < y; i++) res *= x; ret