Submission #1163267

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1163267	2025-03-07 17:32:36	boclobanchat	Art Exhibition (JOI18_art)	C++20	100 / 100	105 ms	8264 KiB

art

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#include<bits/stdc++.h>
using namespace std;
#define ii pair<long long,long long>
#define fi first
#define se second
const int MAXN=5e5+5;
ii A[MAXN];
int main()
{
  ios::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  int n;
  cin>>n;
  for(int i=1;i<=n;i++) cin>>A[i].fi>>A[i].se;
  sort(A+1,A+n+1);
  long long ans=0,pref=0,mn=1e18;
  for(int i=1;i<=n;i++)
  {
    mn=min(mn,pref-A[i].fi),pref+=A[i].se;
    ans=max(ans,pref-A[i].fi-mn);
  }
  cout<<ans;
}
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 50 / 50