luythua

#include<iostream>
using namespace std;

int luythua(int a, int b) {
	if (b == 1) {
		return a;
	}
	else {
		return a*luythua(a, b - 1);
	}
}

void main(){
	int a, b;
	cout << " nhap  a , b: ";
	cin >> a >> b;
	cout <<luythua(a, b);
	system("pause");
}