Submission #300757

#	Time	Username	Problem	Language	Result	Execution time	Memory
300757		IgorI	Carnival Tickets (IOI20_tickets)	C++17	Compilation error	0 ms	0 KiB

tickets

#include <bits/stdc++.h>
#include "tickets.h"

using namespace std;

#define forn(i, n) for (int (i) = 0; (i) != (n); (i)++)
#define all(x) (x).begin(), (x).end()

long long find_maximim(int k, std::vector<std::vector<int> > x)
{
    int n = x.size(), m = x[0].size();
    vector<long long> s;
    for (int i = 0; i < n; i++) s.push_back(x[i][0]);
    sort(all(s));
    long long si = 0;
    for (int i = 0; i < n / 2; i++) si += s[i + n / 2] - s[i];
    allocate_tickets(vector<vector<int> >(n, vector<int>(m)));
    return si;
}

Compilation message (stderr)

/tmp/ccGPn9R2.o: In function `main':
grader.cpp:(.text.startup+0x3b2): undefined reference to `find_maximum(int, std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > >)'
collect2: error: ld returned 1 exit status