Submission #435563

#	Time	Username	Problem	Language	Result	Execution time	Memory
435563		Supersonic	Art Exhibition (JOI18_art)	C++14	100 / 100	251 ms	21028 KiB

art

#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize("O3")
typedef long long ll;
int main(){
	ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
	int n;cin>>n;vector<pair<ll,ll>> v;
	for(int i=0;i<n;i++){ll a,b;cin>>a>>b;v.push_back({a,b});}
	sort(v.begin(),v.end());
	ll r=0,t=0,m=1e9;
	for(int i=0;i<n;i++){
		r=max({r,t-v[i].first+v[i].second-m,v[i].second});
		m=min(m,t-v[i].first);
		t+=v[i].second;
	}
  cout<<r<<endl;return 0;
}

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