Submission #1046174

#	Time	Username	Problem	Language	Result	Execution time	Memory
1046174		n1k	Carnival Tickets (IOI20_tickets)	C++17	11 / 100	1 ms	860 KiB

tickets

#include "tickets.h"
#include <vector>

#include <bits/stdc++.h>

using namespace std;

using ll = long long;

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

	std::vector<std::vector<int>> ans(n, vector<int>(m));
	vector<int> v;

	for(int i=0; i<n; i++){
		v.push_back(x[i][0]);
		ans[i][0] = 0;
	}

	sort(v.begin(), v.end());
	ll t = 0;	
	for(int i=0; i<v.size(); i++) t += abs(v[i] - v[v.size()/2]);

	allocate_tickets(ans);
	return t;
}

Compilation message (stderr)

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:24:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |  for(int i=0; i<v.size(); i++) t += abs(v[i] - v[v.size()/2]);
      |               ~^~~~~~~~~

• 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