Submission #536778

#	Time	Username	Problem	Language	Result	Execution time	Memory
536778		theysoldtheworld	Art Exhibition (JOI18_art)	C++14	10 / 100	6 ms	324 KiB

art

#include <bits/stdc++.h>

using namespace std;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n;
  cin >> n;
  vector<pair<long long , long long>> a(n);
  for (int i = 0 ; i < n ; i++) {
    cin >> a[i].first >> a[i].second;
  }
  long long ans = 0;
  for (int i = 0 ; i < (1 << n) ; i++) {
    long long S = 0;
    long long Max = 0;
    long long Min = (long long)1e18;
    for (int j = 0 ; j < n ; j++) {
      if (i & (1 << j)) {
        S += a[j].second;
        Max = max(a[j].first , Max);
        Min = min(a[j].first , Min);
      }    
    }
    if (S) ans = max(ans , S + Min - Max);
  }
  cout << ans << '\n';
  return 0; 
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50