제출 #346055

#제출 시각아이디문제언어결과실행 시간메모리
346055athensclub버섯 세기 (IOI20_mushrooms)C++14
0 / 100
0 ms364 KiB
#include "mushrooms.h"
#include <vector>

int div2RoundUp(int x)
{
	int d = x / 2;
	if (d * 2 < x)
		return d + 1;
	return d;
}

int count_mushrooms(int n)
{
	std::vector<int> m;
	for (int i = 0; i < n; i++)
		m.push_back(i);
	int c1 = use_machine(m);
	m = {0, 1};
	int c2 = use_machine(m);
	return c2 == 1 ? div2RoundUp(c1) : n - div2RoundUp(c1);
}
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