240328 붕대 감기

public int solution(int[] bandage, int health, int[][] attacks) {
	int castTime = bandage[0];
	int healingPerSecond = bandage[1];
	int additionalHealing = bandage[2];
	int maxHealth = health;
	int preAttackTime = attacks[0][0];

	for (int[] attack : attacks) {
		int attackTime = attack[0];
		int damage = attack[1];
		int timeBetween = attackTime - preAttackTime - 1;

		if (timeBetween > 0) {
			health += (timeBetween * healingPerSecond);
			health += ((timeBetween / castTime) * additionalHealing);
			if (health > maxHealth) {
				health = maxHealth;
			}
		}

		health -= damage;

		if (health <= 0) {
			return -1;
		}

		preAttackTime = attackTime;
	}

	return health;
}

출처:https://school.programmers.co.kr/learn/courses/30/lessons/250137