Submission #1290496

#	Time	Username	Problem	Language	Result	Execution time	Memory
1290496		amodi	Art Exhibition (JOI18_art)	C++20	100 / 100	132 ms	12116 KiB

art

//#pragma GCC target("tune=native")
//#pragma GCC optimize("03,inline,Ofast,unroll-loops")
#include <bits/stdc++.h>
using namespace std;
#define int long long
vector<vector<int>>adj; 
int32_t main() {
   ios_base::sync_with_stdio(false);
   cin.tie(0);
   cout.tie(0);
  
	   int n;
	   cin>>n;
	   vector<pair<int,int>> a(n);
	   //int toplam=0;
	   for(int i=0;i<n;i++)cin>>a[i].first>>a[i].second;
	   sort(a.begin(),a.end());
	   int pref[n+1];
	   memset(pref,0,sizeof(pref));
	   for(int i=1;i<=n;i++)  pref[i]+=a[i-1].second+pref[i-1];
	    int mn=-a[0].first;
	   int ans=-1e15;
	   for(int r=1;r<=n;r++){
		   ans=max(ans,pref[r]-a[r-1].first-mn);
		   mn=min(mn,pref[r]-a[r].first);
		   //cout<<mn<<endl;
	   }
	   cout<<ans;
   return 0;
  }

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