제출 #1254094

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1254094		nickolasarapidis	World Map (IOI25_worldmap)	C++20	컴파일 에러	0 ms	0 KiB

worldmap

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

vector<int> adj[45];

vector<int> et;
vector<bool> visited(45);

void dfs(int s, int e){
    et.push_back(s);
    if(visited[s]) return;
    visited[s] = true;
    for(auto u : adj[s]){
        if(u == e) continue;
        dfs(u, s);
        et.push_back(s);
    }
}

vector<vector<int>> create_map(int N, int M, vector<int> A, vector<int> B){
    for(int i = 0; i < 45; i++){
        adj[i].clear();
    }
    et.clear();
    for(int i = 0; i < 45; i++){
        visited[i] = false;
    }
    for(int i = 0; i < M; i++){
        adj[A[i]].push_back(B[i]);
        adj[B[i]].push_back(A[i]);
    }
    if(M == N - 1){
        dfs(1, -1);
        vector<vector<int>> ans(et.size(), vector<int>(et.size()));
        for(int i = 0; i < et.size(); i++){
            for(int j = 0; j < et.size(); j++){
                ans[i][j] = et[i];
            }
        }
        return ans;
    }
    else if(M == N*(N - 1)/2){
        vector<vector<int>> ans(2*N);
        int cnt = 1;
        for(int i = 0; i < 2*N; i++){
            if(i%2 == 0){
                for(int j = 0; j < 2*N; j++){
                    ans[i].push_back(cnt);
                }
                cnt++;
            }
            else{
                for(int j = 0; j < N; j++){
                    ans[i].push_back(j + 1);
                }
                for(int j = 0; j < N; j++){
                    ans[i].push_back(j + 1);
                }
            }
        }
        return ans;
    }
    else{
        vector<int> ans(M, vector<int>(M, 1));
        for(int i = 0; i < M; i++){
            ans[i][0] = A[i];
            ans[i][1] = B[i];
        }
        return ans;
    }
}

컴파일 시 표준 에러 (stderr) 메시지

worldmap.cpp: In function 'std::vector<std::vector<int> > create_map(int, int, std::vector<int>, std::vector<int>)':
worldmap.cpp:65:45: error: no matching function for call to 'std::vector<int>::vector(int&, std::vector<int>)'
   65 |         vector<int> ans(M, vector<int>(M, 1));
      |                                             ^
In file included from /usr/include/c++/11/vector:67,
                 from worldmap.h:1,
                 from worldmap.cpp:1:
/usr/include/c++/11/bits/stl_vector.h:653:9: note: candidate: 'template<class _InputIterator, class> std::vector<_Tp, _Alloc>::vector(_InputIterator, _InputIterator, const allocator_type&) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _Tp = int; _Alloc = std::allocator<int>]'
  653 |         vector(_InputIterator __first, _InputIterator __last,
      |         ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:653:9: note:   template argument deduction/substitution failed:
worldmap.cpp:65:45: note:   deduced conflicting types for parameter '_InputIterator' ('int' and 'std::vector<int>')
   65 |         vector<int> ans(M, vector<int>(M, 1));
      |                                             ^
In file included from /usr/include/c++/11/vector:67,
                 from worldmap.h:1,
                 from worldmap.cpp:1:
/usr/include/c++/11/bits/stl_vector.h:625:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::initializer_list<_Tp>, const allocator_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>]'
  625 |       vector(initializer_list<value_type> __l,
      |       ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:625:43: note:   no known conversion for argument 1 from 'int' to 'std::initializer_list<int>'
  625 |       vector(initializer_list<value_type> __l,
      |              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/stl_vector.h:607:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>]'
  607 |       vector(vector&& __rv, const allocator_type& __m)
      |       ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:607:23: note:   no known conversion for argument 1 from 'int' to 'std::vector<int>&&'
  607 |       vector(vector&& __rv, const allocator_type& __m)
      |              ~~~~~~~~~^~~~
/usr/include/c++/11/bits/stl_vector.h:589:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::false_type) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>; std::false_type = std::integral_constant<bool, false>]'
  589 |       vector(vector&& __rv, const allocator_type& __m, false_type)
      |       ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:589:7: note:   candidate expects 3 arguments, 2 provided
/usr/include/c++/11/bits/stl_vector.h:585:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::true_type) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>; std::true_type = std::integral_constant<bool, true>]'
  585 |       vector(vector&& __rv, const allocator_type& __m, true_type) noexcept
      |       ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:585:7: note:   candidate expects 3 arguments, 2 provided
/usr/include/c++/11/bits/stl_vector.h:575:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&, const allocator_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>]'
  575 |       vector(const vector& __x, const allocator_type& __a)
      |       ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:575:28: note:   no known conversion for argument 1 from 'int' to 'const std::vector<int>&'
  575 |       vector(const vector& __x, const allocator_type& __a)
      |              ~~~~~~~~~~~~~~^~~
/usr/include/c++/11/bits/stl_vector.h:572:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&) [with _Tp = int; _Alloc = std::allocator<int>]'
  572 |       vector(vector&&) noexcept = default;
      |       ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:572:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/stl_vector.h:553:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&) [with _Tp = int; _Alloc = std::allocator<int>]'
  553 |       vector(const vector& __x)
      |       ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:553:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/stl_vector.h:522:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>::size_type, const value_type&, const allocator_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::value_type = int; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>]'
  522 |       vector(size_type __n, const value_type& __value,
      |       ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:522:47: note:   no known conversion for argument 2 from 'std::vector<int>' to 'const value_type&' {aka 'const int&'}
  522 |       vector(size_type __n, const value_type& __value,
      |                             ~~~~~~~~~~~~~~~~~~^~~~~~~
/usr/include/c++/11/bits/stl_vector.h:510:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>::size_type, const allocator_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::size_type = long unsigned int; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>]'
  510 |       vector(size_type __n, const allocator_type& __a = allocator_type())
      |       ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:510:51: note:   no known conversion for argument 2 from 'std::vector<int>' to 'const allocator_type&' {aka 'const std::allocator<int>&'}
  510 |       vector(size_type __n, const allocator_type& __a = allocator_type())
      |                             ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/11/bits/stl_vector.h:497:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector(const allocator_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::allocator_type = std::allocator<int>]'
  497 |       vector(const allocator_type& __a) _GLIBCXX_NOEXCEPT
      |       ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:497:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/11/bits/stl_vector.h:487:7: note: candidate: 'std::vector<_Tp, _Alloc>::vector() [with _Tp = int; _Alloc = std::allocator<int>]'
  487 |       vector() = default;
      |       ^~~~~~
/usr/include/c++/11/bits/stl_vector.h:487:7: note:   candidate expects 0 arguments, 2 provided
worldmap.cpp:67:19: error: invalid types '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type {aka int}[int]' for array subscript
   67 |             ans[i][0] = A[i];
      |                   ^
worldmap.cpp:68:19: error: invalid types '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type {aka int}[int]' for array subscript
   68 |             ans[i][1] = B[i];
      |                   ^
worldmap.cpp:70:16: error: could not convert 'ans' from 'vector<int>' to 'vector<std::vector<int>>'
   70 |         return ans;
      |                ^~~
      |                |
      |                vector<int>