learning c++

quickfight.cpp

#include <iostream>
#include <string>
using namespace std;

class Enemy {
	protected:
		int attackPower;
		int hp;
	public:
		void setAttackPower (int x) {
			attackPower = x;
		}
		int getHP () {
			return hp;
		}
		void setHP (int x) {
			hp = x;
		}
		void takeDamage(int x) {
			hp -= x;
			cout << "new hp: " << hp << endl;
		}
		bool isAlive () {
			return hp != 0;
		}
};

class Samurai: public Enemy {
	public:
		void attack (Enemy *target) {
			cout << "BANZAI! -" << attackPower << endl;
			target->takeDamage(attackPower);
		}
};

int main () {
	Samurai kenshin;
	kenshin.setAttackPower(50);
	kenshin.setHP(100);
	
	Samurai gin;
	gin.setAttackPower(30);
	gin.setHP(100);
	
	while (gin.isAlive()) {
		kenshin.attack(&gin);
	};
	
	cout << "Gin is dead!" << endl;
}