Submission #302181

#	Time	Username	Problem	Language	Result	Execution time	Memory
302181		kriii	Carnival Tickets (IOI20_tickets)	C++17	0 / 100	1 ms	256 KiB

tickets

#include "tickets.h"
#include <algorithm>
#include <vector>
using namespace std;

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

	long long ans = 0;
	vector<int> sum;
	for (int i = 0; i < n; i++){
		for (int j = 0; j < k; j++){
			ans -= x[i][j];
			sum.push_back(x[i][j] + x[i][m - k + j]);
		}
	}

	sort(sum.rbegin(), sum.rend());

	int pop = n * k / 2;
	for (int i = 0; i < pop; i++) ans += sum[i];
	return ans;
}

• Subtask 1: 0 / 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