Submission #728347

#	Time	Username	Problem	Language	Result	Execution time	Memory
728347		viwlesxq	Art Exhibition (JOI18_art)	C++17	50 / 100	1063 ms	28580 KiB

art

#include <bits/stdc++.h>

using namespace std;

typedef int64_t ll;
typedef string str;

signed main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int n;
  cin >> n;
  vector <pair <ll, ll>> v;
  ll a[n], b[n];
  for (int i = 0; i < n; ++i) {
    cin >> a[i] >> b[i];
    v.push_back({a[i], b[i]});
  }
  sort(v.begin(), v.end());
  for (int i = 0; i < n; ++i) {
    a[i] = v[i].first;
    b[i] = v[i].second;
  }
  ll ans = -1;
  for (int i = 0; i < n; ++i) {
    ll S = 0;
    for (int j = i; j < n; ++j) {
      S += b[j];
      ans = max(ans, S - (a[j] - a[i]));
    }
  }
  cout << ans;
}

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