제출 #1302132

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1302132		duyanhchupapi	Art Exhibition (JOI18_art)	C++20	100 / 100	125 ms	8268 KiB

art

#include <bits/stdc++.h>
using namespace std; 
using ll = long long; 
const int N = 5e5 + 5, inf = 2e9;
int n;
pair <ll, ll> p[N];

int main() { 
	ios_base::sync_with_stdio(0); cin.tie(0);
	//freopen("test.inp", "r", stdin);
	// freopen(".OUT", "w", stdout);
	cin >> n;
	for (int i=1;i<=n;++i) cin >> p[i].first >> p[i].second;
	sort(p + 1, p + n + 1);
	for (int i=1;i<=n;++i) 
		p[i].second += p[i - 1].second;
	
	ll MIN = -p[1].first, ans = -9e18;
	for (int i = 1; i <= n; ++i) {
		ans = max(ans, p[i].second - p[i].first - MIN);
		MIN = min(MIN, p[i].second - p[i + 1].first);
	}
	
	cout << ans;
}

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 50 / 50