# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
825726 | ttamx | 수천개의 섬 (IOI22_islands) | C++17 | 컴파일 에러 | 0 ms | 0 KiB |
이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include "islands.h"
#include<bits/stdc++.h>
using namespace std;
const int N=1e5+5;
const int M=2e5+5;
int n,m;
vector<pair<int,int>> adj[N];
vector<int> path;
bool vis[N];
int dfs(int u){
if(vis[u])return u;
for(auto [v,id]:adj[u]){
path.emplace_back(id);
int res=dfs(v);
if(res!=-1)return res;
path.pop_back();
}
return -1;
}
variant<bool, vector<int>> find_journey(int N,int M,vector<int> U,vector<int> V){
n=N,m=M;
for(int i=0;i<m;i+=2)adj[U[i]].emplace_back(V[i]);
int res=dfs(0);
if(res==-1)return false;
return true;
}
컴파일 시 표준 에러 (stderr) 메시지
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/c++allocator.h:33, from /usr/include/c++/10/bits/allocator.h:46, from /usr/include/c++/10/vector:64, from islands.h:2, from islands.cpp:1: /usr/include/c++/10/ext/new_allocator.h: In instantiation of 'void __gnu_cxx::new_allocator<_Tp>::construct(_Up*, _Args&& ...) [with _Up = std::pair<int, int>; _Args = {int&}; _Tp = std::pair<int, int>]': /usr/include/c++/10/bits/alloc_traits.h:512:17: required from 'static void std::allocator_traits<std::allocator<_Tp1> >::construct(std::allocator_traits<std::allocator<_Tp1> >::allocator_type&, _Up*, _Args&& ...) [with _Up = std::pair<int, int>; _Args = {int&}; _Tp = std::pair<int, int>; std::allocator_traits<std::allocator<_Tp1> >::allocator_type = std::allocator<std::pair<int, int> >]' /usr/include/c++/10/bits/vector.tcc:115:30: required from 'std::vector<_Tp, _Alloc>::reference std::vector<_Tp, _Alloc>::emplace_back(_Args&& ...) [with _Args = {int&}; _Tp = std::pair<int, int>; _Alloc = std::allocator<std::pair<int, int> >; std::vector<_Tp, _Alloc>::reference = std::pair<int, int>&]' islands.cpp:27:50: required from here /usr/include/c++/10/ext/new_allocator.h:150:4: error: no matching function for call to 'std::pair<int, int>::pair(int&)' 150 | { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); } | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/include/c++/10/utility:70, from /usr/include/c++/10/variant:37, from islands.h:1, from islands.cpp:1: /usr/include/c++/10/bits/stl_pair.h:452:9: note: candidate: 'template<class ... _Args1, long unsigned int ..._Indexes1, class ... _Args2, long unsigned int ..._Indexes2> std::pair<_T1, _T2>::pair(std::tuple<_Args1 ...>&, std::tuple<_Args2 ...>&, std::_Index_tuple<_Indexes1 ...>, std::_Index_tuple<_Indexes2 ...>) [with _Args1 = {_Args1 ...}; long unsigned int ..._Indexes1 = {_Indexes1 ...}; _Args2 = {_Args2 ...}; long unsigned int ..._Indexes2 = {_Indexes2 ...}; _T1 = int; _T2 = int]' 452 | pair(tuple<_Args1...>&, tuple<_Args2...>&, | ^~~~ /usr/include/c++/10/bits/stl_pair.h:452:9: note: template argument deduction/substitution failed: In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/c++allocator.h:33, from /usr/include/c++/10/bits/allocator.h:46, from /usr/include/c++/10/vector:64, from islands.h:2, from islands.cpp:1: /usr/include/c++/10/ext/new_allocator.h:150:4: note: mismatched types 'std::tuple<_Tps ...>' and 'int' 150 | { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); } | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/include/c++/10/utility:70, from /usr/include/c++/10/variant:37, from islands.h:1, from islands.cpp:1: /usr/include/c++/10/bits/stl_pair.h:387:9: note: candidate: 'template<class ... _Args1, class ... _Args2> std::pair<_T1, _T2>::pair(std::piecewise_construct_t, std::tuple<_Args1 ...>, std::tuple<_Args2 ...>) [with _Args1 = {_Args1 ...}; _Args2 = {_Args2 ...}; _T1 = int; _T2 = int]' 387 | pair(piecewise_construct_t, tuple<_Args1...>, tuple<_Args2...>); | ^~~~ /usr/include/c++/10/bits/stl_pair.h:387:9: note: template argument deduction/substitution failed: In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/c++allocator.h:33, from /usr/include/c++/10/bits/allocator.h:46, from /usr/include/c++/10/vector:64, from islands.h:2, from islands.cpp:1: /usr/include/c++/10/ext/new_allocator.h:150:4: note: candidate expects 3 arguments, 1 provided 150 | { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); } | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/include/c++/10/utility:70, from /usr/include/c++/10/variant:37, from islands.h:1, from islands.cpp:1: /usr/include/c++/10/bits/stl_pair.h:381:21: note: candidate: 'template<class _U1, class _U2, typename std::enable_if<(std::_PCC<((! std::is_same<int, _U1>::value) || (! std::is_same<int, _U2>::value)), int, int>::_MoveConstructiblePair<_U1, _U2>() && (! std::_PCC<((! std::is_same<int, _U1>::value) || (! std::is_same<int, _U2>::value)), int, int>::_ImplicitlyMoveConvertiblePair<_U1, _U2>())), bool>::type <anonymous> > constexpr std::pair<_T1, _T2>::pair(std::pair<_U1, _U2>&&) [with _U1 = _U1; _U2 = _U2; typename std::enable_if<(std::_PCC<((! std::is_same<_T1, _U1>::value) || (! std::is_same<_T2, _U2>::value)), _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && (! std::_PCC<((! std::is_same<_T1, _U1>::value) || (! std::is_same<_T2, _U2>::value)), _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>())), bool>::type <anonymous> = <anonymous>; _T1 = int; _T2 = int]' 381 | explicit constexpr pair(pair<_U1, _U2>&& __p) | ^~~~ /usr/include/c++/10/bits/stl_pair.h:381:21: note: template argument deduction/substitution failed: In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/c++allocator.h:33, from /usr/include/c++/10/bits/allocator.h:46, from /usr/include/c++/10/vector:64, from islands.h:2, from islands.cpp:1: /usr/include/c++/10/ext/new_allocator.h:150:4: note: mismatched types 'std::pair<_T1, _T2>' and 'int' 150 | { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); } | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/include/c++/10/utility:70, from /usr/include/c++/10/variant:37, from islands.h:1, from islands.cpp:1: /usr/include/c++/10/bits/stl_pair.h:371:12: note: candidate: 'template<class _U1, class _U2, typename std::enable_if<(std::_PCC<((! std::is_same<int, _U1>::value) || (! std::is_same<int, _U2>::value)), int, int>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<((! std::is_same<int, _U1>::value) || (! std::is_same<int, _U2>::value)), int, int>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> > constexpr std::pair<_T1, _T2>::pair(std::pair<_U1, _U2>&&) [with _U1 = _U1; _U2 = _U2; typename std::enable_if<(std::_PCC<((! std::is_same<_T1, _U1>::value) || (! std::is_same<_T2, _U2>::value)), _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<((! std::is_same<_T1, _U1>::value) || (! std::is_same<_T2, _U2>::value)), _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = <anonymous>; _T1 = int; _T2 = int]' 371 | constexpr pair(pair<_U1, _U2>&& __p) | ^~~~ /usr/include/c++/10/bits/stl_pair.h:371:12: note: template argument deduction/substitution failed: In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/c++allocator.h:33, from /usr/include/c++/10/bits/allocator.h:46, from /usr/include/c++/10/vector:64, from islands.h:2, from islands.cpp:1: /usr/include/c++/10/ext/new_allocator.h:150:4: note: mismatched types 'std::pair<_T1, _T2>' and 'int' 150 | { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); } | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/include/c++/10/utility:70, from /usr/include/c++/10/variant:37, from islands.h:1, from islands.cpp:1: /usr/include/c++/10/bits/stl_pair.h:361:21: note: candidate: 'template<class _U1, class _U2, typename std::enable_if<(_MoveConstructiblePair<_U1, _U2>() && (! _ImplicitlyMoveConvertiblePair<_U1, _U2>())), bool>::type <anonymous> > constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = _U1; _U2 = _U2; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && (! std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>())), bool>::type <anonymous> = <anonymous>; _T1 = int; _T2 = int]' 361 | explicit constexpr pair(_U1&& __x, _U2&& __y) | ^~~~ /usr/include/c++/10/bits/stl_pair.h:361:21: note: template argument deduction/substitution failed: In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/c++allocator.h:33, from /usr/include/c++/10/bits/allocator.h:46, from /usr/include/c++/10/vector:64, from islands.h:2, from islands.cpp:1: /usr/include/c++/10/ext/new_allocator.h:150:4: note: candidate expects 2 arguments, 1 provided 150 | { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); } | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/include/c++/10/utility:70, from /usr/include/c++/10/variant:37, from islands.h:1, from islands.cpp:1: /usr/include/c++/10/bits/stl_pair.h:352:12: note: candidate: 'template<class _U1, class _U2, typename std::enable_if<(_MoveConstructiblePair<_U1, _U2>() && _ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> > constexpr std::pair<_T1, _T2>::pair(_U1&&, _U2&&) [with _U1 = _U1; _U2 = _U2; typename std::enable_if<(std::_PCC<true, _T1, _T2>::_MoveConstructiblePair<_U1, _U2>() && std::_PCC<true, _T1, _T2>::_ImplicitlyMoveConvertiblePair<_U1, _U2>()), bool>::type <anonymous> = <anonymous>; _T1 = int; _T2 = int]' 352 | constexpr pair(_U1&& __x, _U2&& __y) | ^~~~ /usr/include/c++/10/bits/stl_pair.h:352:12: note: template argument deduction/substitution failed: In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/c++allocator.h:33, from /usr/include/c++/10/bits/allocator.h:46, from /usr/include/c++/10/vector:64, from islands.h:2, from islands.cpp:1: /usr/include/c++/10/ext/new_allocator.h:150:4: note: candidate expects 2 arguments, 1 provided 150 | { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); } | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/include/c++/10/utility:70, from /usr/include/c++/10/variant:37, from islands.h:1, from islands.cpp:1: /usr/include/c++/10/bits/stl_pair.h:343:17: note: candidate: 'template<class _U2, typename std::enable_if<_CopyMovePair<false, int, _U2>(), bool>::type <anonymous> > std::pair<_T1, _T2>::pair(const _T1&, _U2&&) [with _U2 = _U2; typename std::enable_if<std::_PCC<true, _T1, _T2>::_CopyMovePair<false, _T1, _U2>(), bool>::type <anonymous> = <anonymous>; _T1 = int; _T2 = int]' 343 | explicit pair(const _T1& __x, _U2&& __y) | ^~~~ /usr/include/c++/10/bits/stl_pair.h:343:17: note: template argument deduction/substitution failed: In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/c++allocator.h:33, from /usr/include/c++/10/bits/allocator.h:46, from /usr/include/c++/10/vector:64, from islands.h:2, from islands.cpp:1: /usr/include/c++/10/ext/new_allocator.h:150:4: note: candidate expects 2 arguments, 1 provided 150 | { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); } | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/include/c++/10/utility:70, from /usr/include/c++/10/variant:37, from islands.h:1, from islands.cpp:1: /usr/include/c++/10/bits/stl_pair.h:336:18: note: candidate: 'template<class _U2, typename std::enable_if<_CopyMovePair<true, int, _U2>(), bool>::type <anonymous> > constexpr std::pair<_T1, _T2>::pair(const _T1&, _U2&&) [with _U2 = _U2; typename std::enable_if<std::_PCC<true, _T1, _T2>::_CopyMovePair<true, _T1, _U2>(), bool>::type <anonymous> = <anonymous>; _T1 = int; _T2 = int]' 336 | constexpr pair(const _T1& __x, _U2&& __y) | ^~~~ /usr/include/c++/10/bits/stl_pair.h:336:18: note: template argument deduction/substitution failed: In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/c++allocator.h:33, from /usr/include/c++/10/bits/allocator.h:46, from /usr/include/c++/10/vector:64, from islands.h:2, from islands.cpp:1: /usr/include/c++/10/ext/new_allocator.h:150:4: note: candidate expects 2 arguments, 1 provided 150 | { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); } | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/include/c++/10/utility:70, from /usr/include/c++/10/variant:37, from islands.h:1, from islands.cpp:1: /usr/include/c++/10/bits/stl_pair.h:329:27: note: candidate: 'template<class _U1, typename std::enable_if<_MoveCopyPair<false, _U1, int>(), bool>::type <anonymous> > constexpr std::pair<_T1, _T2>::pair(_U1&&, const _T2&) [with _U1 = _U1; typename std::enable_if<std::_PCC<true, _T1, _T2>::_MoveCopyPair<false, _U1, _T2>(), bool>::type <anonymous> = <anonymous>; _T1 = int; _T2 = int]' 329 | explicit constexpr pair(_U1&& __x, const _T2& __y) | ^~~~ /usr/include/c++/10/bits/stl_pair.h:329:27: note: template argument deduction/substitution failed: In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/c++allocator.h:33, from /usr/include/c++/10/bits/allocator.h:46, from /usr/include/c++/10/vector:64, from islands.h:2, from islands.cpp:1: /usr/include/c++/10/ext/new_allocator.h:150:4: note: candidate expects 2 arguments, 1 provided 150 | { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); } | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/include/c++/10/utility:70, from /usr/include/c++/10/variant:37, from islands.h:1, from islands.cpp:1: /usr/include/c++/10/bits/stl_pair.h:322:18: note: candidate: 'template<class _U1, typename std::enable_if<_MoveCopyPair<true, _U1, int>(), bool>::type <anonymous> > constexpr std::pair<_T1, _T2>::pair(_U1&&, const _T2&) [with _U1 = _U1; typename std::enable_if<std::_PCC<true, _T1, _T2>::_MoveCopyPair<true, _U1, _T2>(), bool>::type <anonymous> = <anonymous>; _T1 = int; _T2 = int]' 322 | constexpr pair(_U1&& __x, const _T2& __y) | ^~~~ /usr/include/c++/10/bits/stl_pair.h:322:18: note: template argument deduction/substitution failed: In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/c++allocator.h:33, from /usr/include/c++/10/bits/allocator.h:46, from /usr/include/c++/10/vector:64, from islands.h:2, from islands.cpp:1: /usr/include/c++/10/ext/new_allocator.h:150:4: note: candidate expects 2 arguments, 1 provided 150 | { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); } | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/include/c++/10/utility:70, from /usr/include/c++/10/variant:37, from islands.h:1, from islands.cpp:1: /usr/include/c++/10/bits/stl_pair.h:315:17: note: candidate: 'constexpr std::pair<_T1, _T2>::pair(std::pair<_T1, _T2>&&) [with _T1 = int; _T2 = int]' 315 | constexpr pair(pair&&) = default; ///< Move constructor | ^~~~ /usr/include/c++/10/bits/stl_pair.h:315:22: note: no known conversion for argument 1 from 'int' to 'std::pair<int, int>&&' 315 | constexpr pair(pair&&) = default; ///< Move constructor | ^~~~~~ /usr/include/c++/10/bits/stl_pair.h:314:17: note: candidate: 'constexpr std::pair<_T1, _T2>::pair(const std::pair<_T1, _T2>&) [with _T1 = int; _T2 = int]' 314 | constexpr pair(const pair&) = default; ///< Copy constructor | ^~~~ /usr/include/c++/10/bits/stl_pair.h:314:22: note: no known conversion for argument 1 from 'int' to 'const std::pair<int, int>&' 314 | constexpr pair(const pair&) = default; ///< Copy constructor | ^~~~~~~~~~~ /usr/include/c++/10/bits/stl_pair.h:309:21: note: candidate: 'template<class _U1, class _U2, typename std::enable_if<(std::_PCC<((! std::is_same<int, _U1>::value) || (! std::is_same<int, _U2>::value)), int, int>::_ConstructiblePair<_U1, _U2>() && (! std::_PCC<((! std::is_same<int, _U1>::value) || (! std::is_same<int, _U2>::value)), int, int>::_ImplicitlyConvertiblePair<_U1, _U2>())), bool>::type <anonymous> > constexpr std::pair<_T1, _T2>::pair(const std::pair<_U1, _U2>&) [with _U1 = _U1; _U2 = _U2; typename std::enable_if<(std::_PCC<((! std::is_same<_T1, _U1>::value) || (! std::is_same<_T2, _U2>::value)), _T1, _T2>::_ConstructiblePair<_U1, _U2>() && (! std::_PCC<((! std::is_same<_T1, _U1>::value) || (! std::is_same<_T2, _U2>::value)), _T1, _T2>::_ImplicitlyConvertiblePair<_U1, _U2>())), bool>::type <anonymous> = <anonymous>; _T1 = int; _T2 = int]' 309 | explicit constexpr pair(const pair<_U1, _U2>& __p) | ^~~~ /usr/include/c++/10/bits/stl_pair.h:309:21: note: template argument deduction/substitution failed: In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/c++allocator.h:33, from /usr/include/c++/10/bits/allocator.h:46, from /usr/include/c++/10/vector:64, from islands.h:2, from islands.cpp:1: /usr/include/c++/10/ext/new_allocator.h:150:4: note: mismatched types 'const std::pair<_T1, _T2>' and 'int' 150 | { ::new((void *)__p) _Up(std::forward<_Args>(__args)...); } | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/include/c++/10/utility:70, from /usr/include/c++/10/variant:37, from islands.h:1, from islands.cpp:1: /usr/include/c++/10/bits/stl_pair.h:300:19: note: candidate: 'template<class _U1, class _U2, typename std::enable_if<(std::_PCC<((! std::is_same<int, _U1>::value) || (! std::is_same<int, _U2>::value)), int, int>::_ConstructiblePair<_U1, _U2>() && std::_PCC<((! std::is_same<int, _U1>::value) || (