Submission #412060

#	Time	Username	Problem	Language	Result	Execution time	Memory
412060		SuhaibSawalha1	Carnival Tickets (IOI20_tickets)	C++17	11 / 100	2 ms	692 KiB

tickets

#include "tickets.h"
#include <bits/stdc++.h>
using namespace std;

long long calc (vector<long long> &a) {
	int n = a.size();
	long long sum = accumulate(a.begin(), a.end(), 0LL), m = LLONG_MAX, sum2 = 0;
	sort(a.begin(), a.end());
	for (int i = 0; i < n; ++i) {
		sum -= a[i];
		m = min(m, a[i] * i - sum2 + sum - a[i] * (n - i - 1));
		sum2 += a[i];
	}
	return m;
}

long long find_maximum(int k, vector<vector<int>> a) {
	int n = a.size();
	int m = a[0].size();
	vector<vector<int>> g(n, vector<int>(m, 0));
	vector<long long> ask;
	for (auto &e : a) {
		ask.push_back(e[0]);
	}
	allocate_tickets(g);
	return calc(ask);
}

• 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