Submission #464101

#	Time	Username	Problem	Language	Result	Execution time	Memory
464101		armand	Carnival Tickets (IOI20_tickets)	C++14	0 / 100	1 ms	204 KiB

tickets

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

long long find_maximum(int k, std::vector<std::vector<int>> x) {
	int n = x.size();
	int m = x[0].size();
	int i, j, p;
	long long res = 0;
	int b;
	std::vector<std::vector<int>> answer;
	vector<int> a(n);
	for (i = 0; i < n; i++) {
		std::vector<int> row(m);
		for (j = 0; j < m; j++) {
			if (j < k) {
				row[j] = j;
			} else {
				row[j] = -1;
			}
		}
		answer.push_back(row);
	}
	allocate_tickets(answer);
	for (j = n-1, p = 0; p<k && j>=0; j++,p++) {
		for (i = 0; i < n; i++)
			a[i] = x[i][j];
		sort(a.begin(), a.end());
		b = a[n / 2];
		for (i = 0; i < n; i++)
			res += i >= n / 2 ? a[i] : -a[i];
	}
	return res;
}

Compilation message (stderr)

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:11:6: warning: variable 'b' set but not used [-Wunused-but-set-variable]
   11 |  int b;
      |      ^

• 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