Submission #1228496

#	Time	Username	Problem	Language	Result	Execution time	Memory
1228496		zNatsumi	Art Exhibition (JOI18_art)	C++20	100 / 100	105 ms	8264 KiB

art

#include <bits/stdc++.h>

using namespace std;

#define int long long
using ii = pair<int, int>;

const int N = 5e5 + 5;

int n;
ii c[N];

int32_t main(){
  cin.tie(0)->sync_with_stdio(0);
//  #define task "test"
//  if(fopen(task ".inp", "r")){
//    freopen(task ".inp", "r", stdin);
//    freopen(task ".out", "w", stdout);
//  }
  cin >> n;
  for(int i = 1; i <= n; i++) cin >> c[i].first >> c[i].second;
  sort(c + 1, c + n + 1);
  for(int i = 1; i <= n; i++) c[i].second += c[i - 1].second;

  int mx = 0, res = 0;
  for(int i = 1; i <= n; i++){
    mx = max(mx, c[i].first - c[i - 1].second);
    res = max(res, c[i].second - c[i].first + mx);
  }
  cout << res << "\n";

  return 0;
}

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