Submission #301035

#	Time	Username	Problem	Language	Result	Execution time	Memory
301035		Nucleist	Carnival Tickets (IOI20_tickets)	C++14	Compilation error	0 ms	0 KiB

tickets

#include "tickets.h"
#include <bits/stdc++.h>
#define sz(x) x.size()
#define ve vector<int>
#define pb push_back
#define all(x) x.begin(),x.end()
using namespace std;
long long find_maximum(int k,vector<vector<int>> x) {
	int m=sz(x);
	ve cur;
	for (int i = 0; i < m; ++i)
	{
		cur.pb(x[i][0]);
	}
	sort(all(cur));
	int in=x[m/2];
	int ans=0;
	for(auto it:cur){
		ans+=abs(it-in);
	}
	return ans;
}

Compilation message (stderr)

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:16:14: error: cannot convert '__gnu_cxx::__alloc_traits<std::allocator<std::vector<int> >, std::vector<int> >::value_type' {aka 'std::vector<int>'} to 'int' in initialization
   16 |  int in=x[m/2];
      |              ^