Submission #52344

#	Time	Username	Problem	Language	Result	Execution time	Memory
52344		tmwilliamlin168	Art Exhibition (JOI18_art)	C++14	100 / 100	295 ms	227224 KiB

art

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pll pair<ll, ll>
#define fi first
#define se second

const int mxN=5e5;
int n;
ll mx, ans;
pll ps[mxN+1];

int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	
	cin >> n;
	for(int i=1; i<=n; ++i)
		cin >> ps[i].fi >> ps[i].se;
	sort(ps, ps+n+1);
	for(int i=1; i<=n; ++i) {
		ps[i].se+=ps[i-1].se;
		mx=max(ps[i].fi-ps[i-1].se, mx);
		ans=max(ps[i].se-ps[i].fi+mx, ans);
	}
	cout << ans;
}

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