Submission #390527

#	Time	Username	Problem	Language	Result	Execution time	Memory
390527		AlexPop28	Carnival Tickets (IOI20_tickets)	C++14	11 / 100	2 ms	716 KiB

tickets

#include "tickets.h"
#include <bits/stdc++.h>

using namespace std;

long long find_maximum(int k, vector<vector<int>> x) {
	int n = x.size();
	int m = x[0].size();
	vector<vector<int>> ans(n, vector<int>(m, -1));

  vector<int> v(n);
  for (int i = 0; i < n; ++i) {
    v[i] = x[i][0];
  }

  nth_element(v.begin(), v.begin() + n / 2, v.end());
  int med = v[n / 2];
  long long res = 0;
  for (int i = 0; i < n; ++i) {
    if (v[i] < med) res -= v[i];
    else res += v[i];
    ans[i][0] = 0;
  }

	allocate_tickets(ans);
	return res;
}

• Subtask 1: 11 / 11
• Subtask 2: 0 / 16
• Subtask 3: 0 / 14
• Subtask 4: 0 / 14
• Subtask 5: 0 / 12
• Subtask 6: 0 / 23
• Subtask 7: 0 / 10