Submission #1158738

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1158738	2025-02-27 11:41:19	pinbu	Art Exhibition (JOI18_art)	C++20	100 / 100	534 ms	31748 KiB

art

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#include <bits/stdc++.h>
using namespace std;
const int N = 500005;
const long long oo = 1e18;
int n;
map<long long, long long> v;
signed main() {
  ios::sync_with_stdio(false); cin.tie(nullptr);
  
  cin >> n;
  for (int i = 1; i <= n; i++) {
    long long a, b; cin >> a >> b;
    v[a] += b;
  }
  long long prf = 0, mx = -oo, ans = -oo;
  for (auto x: v) {
    mx = max(mx, -prf + x.first);
    prf += x.second;
    ans = max(ans, prf + mx - x.first);
  }
  cout << ans;
  
  return 0;
}
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 50 / 50