제출 #536778

#제출 시각아이디문제언어결과실행 시간메모리
536778theysoldtheworldArt Exhibition (JOI18_art)C++14
10 / 100
6 ms324 KiB
#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; 
}
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