Submission #304567

#	Time	Username	Problem	Language	Result	Execution time	Memory
304567		lolicon	Carnival Tickets (IOI20_tickets)	C++14	11 / 100	2 ms	768 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;
	for (int i = 0; i < n; i++) {
		vector<int> row(m);
		for (int j = 0; j < m; j++) {
			if (j < k) {
				row[j] = j;
			} else {
				row[j] = -1;
			}
		}
		ans.push_back(row);
	}
	allocate_tickets(ans);
	long long ret = 0;
	vector<vector<int>> T(k);
	for(int i = 0; i < n; i++) {
		for(int j = 0; j < m; j++) {
			if(ans[i][j] != -1) {
				T[ans[i][j]].push_back(x[i][j]);
			}
		}
	}
	for(int i = 0; i < k; i++) {
		sort(begin(T[i]), end(T[i]));
		int p = T[i][n / 2];
		for(int j = 0; j < n; j++) {
			ret = ret + (long long)abs(p - T[i][j]);
		}
	}
	/*for(int i = 0; i < n; i++) {
		for(int j = 0; j < m; j++) {
			cout << ans[i][j] << " \n"[j == m - 1];
		}
	}*/
	return ret;
}

• 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