Submission #1032900

#	Time	Username	Problem	Language	Result	Execution time	Memory
1032900		Zicrus	Carnival Tickets (IOI20_tickets)	C++17	Compilation error	0 ms	0 KiB

tickets

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

typedef long long ll;

ll find_maximum(int k, vector<vector<int>> x) {
    vector<int> s(x.size());
    for (int i = 0; i < x.size(); i++) s[i] = x[i][0];
    sort(s.begin(), s.end());
    ll median = s[s.size() / 2];
    ll sum = 0;
    for (auto &e : s) sum += abs(e - median);
    allocate_tickets(vector<vector<int>>(n, vector<int>(1)));
    return sum;
}

Compilation message (stderr)

tickets.cpp: In function 'll find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:9:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    9 |     for (int i = 0; i < x.size(); i++) s[i] = x[i][0];
      |                     ~~^~~~~~~~~~
tickets.cpp:14:42: error: 'n' was not declared in this scope
   14 |     allocate_tickets(vector<vector<int>>(n, vector<int>(1)));
      |                                          ^