Submission #127293

#	Time	Username	Problem	Language	Result	Execution time	Memory
127293		taozai281	Art Exhibition (JOI18_art)	C++14	100 / 100	988 ms	8928 KiB

art

#include<bits/stdc++.h>
using namespace std;
#define int long long
int n;
vector<pair<int,int> > A;
int a,b;
int ans=-1e15,tmp=-1e15,sum=-1e15;
signed main(){
	cin>>n;
	for(int i=1;i<=n;i++)
	{
		cin>>a>>b;
		A.push_back({a,b});
	}
	sort(A.begin(),A.end());
	for(int i=0;i<n;i++)
	{
		tmp=max(tmp,A[i].first-sum);
		sum+=A[i].second;
		ans=max(ans,sum-A[i].first+tmp);
	}
	cout<<ans;
	
	
	
	
}

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