Submission #615284

#	Time	Username	Problem	Language	Result	Execution time	Memory
615284		Minindu2006	Meetings (IOI18_meetings)	C++17	19 / 100	3496 ms	786432 KiB

meetings

#include "meetings.h"
#include <bits/stdc++.h>
#define ll long long
using namespace std;

vector<ll> minimum_costs(vector<int> H, vector<int> L, vector<int> R)
{
  int n = H.size(), q = L.size();
  ll cost[n][n]; // cost from ith to jth
  for(int i=0;i<n;i++)
  {
    cost[i][i] = H[i];
    for(int k=i-1;k>=0;k--)
      cost[i][k] = max(cost[i][k + 1], (ll)H[k]);
    for(int k=i+1;k<n;k++)
      cost[i][k] = max(cost[i][k - 1], (ll)H[k]);
    for(int k=1;k<n;k++)
      cost[i][k] += cost[i][k - 1];
  }
  vector<ll> res;
  for(int i=0;i<q;i++)
  {
    ll ans = LLONG_MAX;
    for(int k=L[i];k<=R[i];k++)
      ans = min(ans, (L[i] > 0 ? cost[k][R[i]] - cost[k][L[i] - 1] : cost[k][R[i]]));
    res.push_back(ans);
  }
  return res;
}

• Subtask 1: 4 / 4
• Subtask 2: 15 / 15
• Subtask 3: 0 / 17
• Subtask 4: 0 / 24
• Subtask 5: 0 / 40