Submission #654497

#	Time	Username	Problem	Language	Result	Execution time	Memory
654497		ayalla	Divide and conquer (IZhO14_divide)	C++14	48 / 100	1075 ms	2532 KiB

divide

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;

template <class T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

#define int long long int
#define endl '\n'
#define pb push_back
#define pi pair<int, int>
#define pii pair<int, pi>
#define fir first
#define sec second
#define MAXN 100005
#define mod 1000000007

int n;
vector<pii> v;

signed main()
{
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  cin >> n;
  v.resize(n);
  for (int i = 0; i < n; i++)
    cin >> v[i].fir >> v[i].sec.fir >> v[i].sec.sec;
  sort(v.begin(), v.end());
  int ans = 0;
  for (int l = 0; l < n; l++)
  {
    int g = 0, e = 0;
    for (int r = l; r < n; r++)
    {
      g += v[r].sec.fir;
      e += v[r].sec.sec;
      if (e >= (v[r].fir - v[l].fir))
        ans = max(ans, g);
    }
  }
  cout << ans << endl;
  return 0;
}

• Subtask 1: 17 / 17
• Subtask 2: 31 / 31
• Subtask 3: 0 / 52