Submission #292425

#	Time	Username	Problem	Language	Result	Execution time	Memory
292425		Ruba_K	Art Exhibition (JOI18_art)	C++14	100 / 100	207 ms	20984 KiB

art

#include <bits/stdc++.h>

using namespace std;
const int N = 5e5 + 1 ;

#define ll long long



int main()
{ios_base::sync_with_stdio(false);cin.tie(0);
   int n ;
   cin >> n ;

    vector<pair<ll , ll > > v (n);

  for(auto &it : v)
    cin >> it.first >> it.second ;

  sort(v.begin() , v.end());

  ll mx = v[n - 1].second , sum1 = 0 , sum2 = v[n - 1].second;
   ll past = v[n - 1].first ;
   for(int i = n - 2 ; i >= 0 ; i --){
    sum1 += past - v[i].first   ;
    if(sum1 > sum2)
        sum1 = sum2 = 0 ;

    sum2 += v[i].second ;
    mx = max(mx , sum2 - sum1);
    past = v[i].first ;
   }

  cout << mx ;
    return 0;

}

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