# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
749720 | MilosMilutinovic | Thousands Islands (IOI22_islands) | C++17 | Compilation error | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "islands.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 10;
vector < pair <int, int> > g[N];
variant<bool, vector<int>> find_journey(int N, int M, vector<int> U, vector<int> V) {
for (int i = 0; i < M; i++) {
g[U[i]].emplace_back(V[i], i);
}
if (N == 2) {
if (g[0].size() >= 2 && g[1].size() >= 1) {
vector <int> ans;
ans.push_back(g[0][0]);
ans.push_back(g[1][0]);
ans.push_back(g[0][1]);
ans.push_back(g[0][0]);
ans.push_back(g[1][0]);
ans.push_back(g[0][1]);
return ans;
} else return false;
}
if (N == 4) {
return vector<int>({0, 1, 2, 4, 0, 3, 2, 1, 4, 3});
}
return false;
}
Compilation message (stderr)
islands.cpp: In function 'std::variant<bool, std::vector<int, std::allocator<int> > > find_journey(int, int, std::vector<int>, std::vector<int>)': islands.cpp:15:34: error: no matching function for call to 'std::vector<int>::push_back(__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type&)' 15 | ans.push_back(g[0][0]); | ^ In file included from /usr/include/c++/10/vector:67, from islands.h:2, from islands.cpp:1: /usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]' 1187 | push_back(const value_type& __x) | ^~~~~~~~~ /usr/include/c++/10/bits/stl_vector.h:1187:35: note: no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} to 'const value_type&' {aka 'const int&'} 1187 | push_back(const value_type& __x) | ~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]' 1203 | push_back(value_type&& __x) | ^~~~~~~~~ /usr/include/c++/10/bits/stl_vector.h:1203:30: note: no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} to 'std::vector<int>::value_type&&' {aka 'int&&'} 1203 | push_back(value_type&& __x) | ~~~~~~~~~~~~~^~~ islands.cpp:16:34: error: no matching function for call to 'std::vector<int>::push_back(__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type&)' 16 | ans.push_back(g[1][0]); | ^ In file included from /usr/include/c++/10/vector:67, from islands.h:2, from islands.cpp:1: /usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]' 1187 | push_back(const value_type& __x) | ^~~~~~~~~ /usr/include/c++/10/bits/stl_vector.h:1187:35: note: no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} to 'const value_type&' {aka 'const int&'} 1187 | push_back(const value_type& __x) | ~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]' 1203 | push_back(value_type&& __x) | ^~~~~~~~~ /usr/include/c++/10/bits/stl_vector.h:1203:30: note: no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} to 'std::vector<int>::value_type&&' {aka 'int&&'} 1203 | push_back(value_type&& __x) | ~~~~~~~~~~~~~^~~ islands.cpp:17:34: error: no matching function for call to 'std::vector<int>::push_back(__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type&)' 17 | ans.push_back(g[0][1]); | ^ In file included from /usr/include/c++/10/vector:67, from islands.h:2, from islands.cpp:1: /usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]' 1187 | push_back(const value_type& __x) | ^~~~~~~~~ /usr/include/c++/10/bits/stl_vector.h:1187:35: note: no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} to 'const value_type&' {aka 'const int&'} 1187 | push_back(const value_type& __x) | ~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]' 1203 | push_back(value_type&& __x) | ^~~~~~~~~ /usr/include/c++/10/bits/stl_vector.h:1203:30: note: no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} to 'std::vector<int>::value_type&&' {aka 'int&&'} 1203 | push_back(value_type&& __x) | ~~~~~~~~~~~~~^~~ islands.cpp:18:34: error: no matching function for call to 'std::vector<int>::push_back(__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type&)' 18 | ans.push_back(g[0][0]); | ^ In file included from /usr/include/c++/10/vector:67, from islands.h:2, from islands.cpp:1: /usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]' 1187 | push_back(const value_type& __x) | ^~~~~~~~~ /usr/include/c++/10/bits/stl_vector.h:1187:35: note: no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} to 'const value_type&' {aka 'const int&'} 1187 | push_back(const value_type& __x) | ~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]' 1203 | push_back(value_type&& __x) | ^~~~~~~~~ /usr/include/c++/10/bits/stl_vector.h:1203:30: note: no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} to 'std::vector<int>::value_type&&' {aka 'int&&'} 1203 | push_back(value_type&& __x) | ~~~~~~~~~~~~~^~~ islands.cpp:19:34: error: no matching function for call to 'std::vector<int>::push_back(__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type&)' 19 | ans.push_back(g[1][0]); | ^ In file included from /usr/include/c++/10/vector:67, from islands.h:2, from islands.cpp:1: /usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]' 1187 | push_back(const value_type& __x) | ^~~~~~~~~ /usr/include/c++/10/bits/stl_vector.h:1187:35: note: no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} to 'const value_type&' {aka 'const int&'} 1187 | push_back(const value_type& __x) | ~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]' 1203 | push_back(value_type&& __x) | ^~~~~~~~~ /usr/include/c++/10/bits/stl_vector.h:1203:30: note: no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} to 'std::vector<int>::value_type&&' {aka 'int&&'} 1203 | push_back(value_type&& __x) | ~~~~~~~~~~~~~^~~ islands.cpp:20:34: error: no matching function for call to 'std::vector<int>::push_back(__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type&)' 20 | ans.push_back(g[0][1]); | ^ In file included from /usr/include/c++/10/vector:67, from islands.h:2, from islands.cpp:1: /usr/include/c++/10/bits/stl_vector.h:1187:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(const value_type&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]' 1187 | push_back(const value_type& __x) | ^~~~~~~~~ /usr/include/c++/10/bits/stl_vector.h:1187:35: note: no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} to 'const value_type&' {aka 'const int&'} 1187 | push_back(const value_type& __x) | ~~~~~~~~~~~~~~~~~~^~~ /usr/include/c++/10/bits/stl_vector.h:1203:7: note: candidate: 'void std::vector<_Tp, _Alloc>::push_back(std::vector<_Tp, _Alloc>::value_type&&) [with _Tp = int; _Alloc = std::allocator<int>; std::vector<_Tp, _Alloc>::value_type = int]' 1203 | push_back(value_type&& __x) | ^~~~~~~~~ /usr/include/c++/10/bits/stl_vector.h:1203:30: note: no known conversion for argument 1 from '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'std::pair<int, int>'} to 'std::vector<int>::value_type&&' {aka 'int&&'} 1203 | push_back(value_type&& __x) | ~~~~~~~~~~~~~^~~