Submission #300538

#	Time	Username	Problem	Language	Result	Execution time	Memory
300538		Muhammetali	Carnival Tickets (IOI20_tickets)	C++14	Compilation error	0 ms	0 KiB

tickets

#include "tickets.h"
#include <bits/stdc++.h>
#define mp make_pair
#define f first
#define s second
#define sz(x) (int)(x).size()
#define rsz resize
#define ins insert
#define ft front()
#define bk back()
#define pf push_front
#define pb push_back
using namespace std;
typedef long long ll;
typedef pair<int,int> pi;
typedef pair<ll,ll> pl;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
long long find_maximum(int k, std::vector<std::vector<int>> x)
{
	int n=x.size();
	int m=x[0].size();
	vector<vi> answer;
	for(int i=0;i<n;i++) answer.push_back(0);
	allocate_tickets(answer);
	vi v;
	for (int i=0;i<n;i++) v.pb(x[i][0]);
	int mid=n/2;
	if (n%2==0)
	{
		ll k=v[mid+1]+v[mid]/2;
		mid=k;
	}
	else mid=v[mid];
	ll res=0;
	for (int i=0;i<n;i++) res+=abs(v[i]-mid);
	return res;
}

Compilation message (stderr)

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:26:41: error: no matching function for call to 'std::vector<std::vector<int> >::push_back(int)'
   26 |  for(int i=0;i<n;i++) answer.push_back(0);
      |                                         ^
In file included from /usr/include/c++/9/vector:67,
                 from tickets.h:1,
                 from tickets.cpp:1:
/usr/include/c++/9/bits/stl_vector.h:1184:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::value_type = std::vector<int>]'
 1184 |       push_back(const value_type& __x)
      |       ^~~~~~~~~
/usr/include/c++/9/bits/stl_vector.h:1184:35: note:   no known conversion for argument 1 from 'int' to 'const value_type&' {aka 'const std::vector<int>&'}
 1184 |       push_back(const value_type& __x)
      |                 ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/9/bits/stl_vector.h:1200:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = std::vector<int>; _Alloc = std::allocator<std::vector<int> >; std::vector<_Tp, _Alloc>::value_type = std::vector<int>]'
 1200 |       push_back(value_type&& __x)
      |       ^~~~~~~~~
/usr/include/c++/9/bits/stl_vector.h:1200:30: note:   no known conversion for argument 1 from 'int' to 'std::vector<std::vector<int> >::value_type&&' {aka 'std::vector<int>&&'}
 1200 |       push_back(value_type&& __x)
      |                 ~~~~~~~~~~~~~^~~
tickets.cpp:24:6: warning: unused variable 'm' [-Wunused-variable]
   24 |  int m=x[0].size();
      |      ^