Submission #939166

#	Time	Username	Problem	Language	Result	Execution time	Memory
939166		vjudge1	Art Exhibition (JOI18_art)	C++17	100 / 100	139 ms	18244 KiB

art

#include<bits/stdc++.h>

using namespace std;

const int N = (int)5e5+7;
const long long INF = (long long)1e18+7;

int n;
pair<long long, long long> a[N];

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
	cin >> n;
	for(int i = 1; i <= n; ++i) {
		cin >> a[i].first >> a[i].second;
	}
	sort(a+1, a+1+n);
	long long ans = 0, cur = 0, mn = 0;
	for(int i = 1; i <= n; ++i) {
		cur += a[i].second;
		mn = min(mn, (cur-a[i].second)-a[i].first);
		ans = max(ans, cur-a[i].first-mn);
	}
	cout << ans << "\n";	 
    return 0;
}                   

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