제출 #707982

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
707982		TAhmed33	Unija (COCI17_unija)	C++98	100 / 100	299 ms	31020 KiB

unija

#include <bits/stdc++.h>
using namespace std;
#define int long long
vector <pair <int, int>> arr2;
signed main () {
	ios::sync_with_stdio(false);
	cin.tie(0);
	int n;
	cin >> n;
	while (n--) {
		int x, y;
		cin >> x >> y;
		x /= 2;
		arr2.push_back({x, y});
	}
	sort(arr2.begin(), arr2.end());
	int ans = 0;
	int prev = 0;
	for (int i = (int)arr2.size() - 2; i >= 0; i--) {
		arr2[i].second = max(arr2[i].second, arr2[i + 1].second);
	}
	for (auto i : arr2) {
		ans += (i.first - prev) * i.second;
		prev = i.first;
	}
	ans *= 2;
	cout << ans << '\n';
}

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