제출 #136859

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
136859		RiscadoA	Unija (COCI17_unija)	C++14	50 / 100	1059 ms	20456 KiB

unija

#include <bits/stdc++.h>

const int MAX_N = 1000000;

int N, S;
std::pair<int, int> P[MAX_N + 1];

auto P_compare = [](const std::pair<int, int>& lhs, const std::pair<int, int>& rhs) -> bool {
	return lhs.first > rhs.first || (lhs.first == rhs.first && lhs.second > rhs.second);
};

void solve()
{
	// Sort the rectangles by their width
	std::sort(std::begin(P), std::begin(P) + N, P_compare);
	P[N].first = 0;
	P[N].second = 0;

	int m_h = P[0].second;
	S = 0;
	for (int i = 1; i <= N; ++i) {
		S += (P[i - 1].first - P[i].first) * m_h;
		if (P[i].second > m_h)
			m_h = P[i].second;
	}
}

int main()
{
	std::cin >> N;
	for (int i = 0; i < N; ++i) {
		std::cin >> P[i].first >> P[i].second;
		P[i].first /= 2;
		P[i].second /= 2;
	}
	
	solve();

	std::cout << (S * 4);
	return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 0 / 10
• Subtask 6: 10 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10