[백준 10162: 전자레인지] - C++

www.acmicpc.net/problem/10162

10162번: 전자레인지

#pragma once
#include <iostream>

using namespace std;
int main() {
	int a = 300;
	int b = 60;
	int c = 10;
	int t;
	int cnt[3] = { 0 };
	cin >> t;
	bool bImpossible = false;
	while (t>0)
	{
		if (a <= t)
		{
			cnt[0] += 1;
			t -= a;
		}
		else if (b <= t)
		{
			cnt[1] += 1;
			t -= b;
		}
		else if (c <= t)
		{
			cnt[2] += 1;
			t -= c;
		}
		else
		{
			bImpossible = true;
			break;
		}

	}
	if (bImpossible)
		cout << -1 << endl;
	else
	{
		cout << cnt[0]<<" "<< cnt[1] << " "<< cnt[2]<< endl;
	}


	return 0;
}//end of main