# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
619769 | 2022-08-02T15:39:31 Z | Sergio_2357 | Simurgh (IOI17_simurgh) | C++17 | 컴파일 오류 |
0 ms | 0 KB |
#include "simurgh.h" #include <bits/stdc++.h> using namespace std; typedef vector<int> vi; struct DSU { vi v, sz; int cg; int find(int x) { if (v[x] == -1) return x; v[x] = find(v[x]); return v[x]; } void join(int a, int b) { a = find(a); b = find(b); if (a == b) return; cg--; if (sz[a] > sz[b]) swap(a, b); v[a] = b; sz[b] += sz[a]; } DSU(int n) { v = vi(n + 10, -1); sz = vi(n + 10, 1); cg = n; } }; bool test(vi u, vi v) { DSU dsu(u.size()); for (int i = 0; i < u.size(); i++) dsu.join(u[i], v[i]); return dsu.cg == 1; } vi to_list(int b, int ma) { vi r; for (int i = 0; i < ma; i++) { if (b & (1ll << i)) r.push_back(i); } return r; } vi find_roads(int n, vi u, vi v) { //cout << "YES" << endl; for (int b = 0; b < (1ll << (u.size())); b++) { vi tu, tv; vi lst = to_list(b, u.size()); for (int x : lst) { tu.push_back(u[x]); tv.push_back(v[x]); } if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) { int xy = 0; while (true) { xy++; } return lst; } } int xyy = 0; while (true) { xyy++; } return to_list((1ll << (n - 1)) - 1, n); }
Compilation message
simurgh.cpp: In function 'bool test(vi, vi)': simurgh.cpp:41:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 41 | for (int i = 0; i < u.size(); i++) | ~~^~~~~~~~~~ simurgh.cpp: In function 'vi find_roads(int, vi, vi)': simurgh.cpp:66:24: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare] 66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) { | ~~~~~~~~~~~^~~~~~~~ simurgh.cpp:66:77: error: no match for 'operator==' (operand types are 'int' and 'vi' {aka 'std::vector<int>'}) 66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) { | ~~~~~~~~~~~~~~~~~~~~~~~ ^~ ~~~~~ | | | | int vi {aka std::vector<int>} In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from simurgh.cpp:2: /usr/include/c++/10/bits/regex.h:1035:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)' 1035 | operator==(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs) | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1035:5: note: template argument deduction/substitution failed: simurgh.cpp:66:84: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) { | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from simurgh.cpp:2: /usr/include/c++/10/bits/regex.h:1131:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const std::__cxx11::sub_match<_BiIter>&)' 1131 | operator==(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1131:5: note: template argument deduction/substitution failed: simurgh.cpp:66:84: note: mismatched types 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>' and 'int' 66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) { | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from simurgh.cpp:2: /usr/include/c++/10/bits/regex.h:1206:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)' 1206 | operator==(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1206:5: note: template argument deduction/substitution failed: simurgh.cpp:66:84: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) { | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from simurgh.cpp:2: /usr/include/c++/10/bits/regex.h:1298:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)' 1298 | operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1298:5: note: template argument deduction/substitution failed: simurgh.cpp:66:84: note: 'vi' {aka 'std::vector<int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>' 66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) { | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from simurgh.cpp:2: /usr/include/c++/10/bits/regex.h:1373:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)' 1373 | operator==(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1373:5: note: template argument deduction/substitution failed: simurgh.cpp:66:84: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) { | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from simurgh.cpp:2: /usr/include/c++/10/bits/regex.h:1466:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)' 1466 | operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1466:5: note: template argument deduction/substitution failed: simurgh.cpp:66:84: note: 'vi' {aka 'std::vector<int>'} is not derived from 'const std::__cxx11::sub_match<_BiIter>' 66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) { | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from simurgh.cpp:2: /usr/include/c++/10/bits/regex.h:1545:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator==(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)' 1545 | operator==(const sub_match<_Bi_iter>& __lhs, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:1545:5: note: template argument deduction/substitution failed: simurgh.cpp:66:84: note: mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int' 66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) { | ^ In file included from /usr/include/c++/10/regex:62, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110, from simurgh.cpp:2: /usr/include/c++/10/bits/regex.h:2101:5: note: candidate: 'template<class _Bi_iter, class _Alloc> bool std::__cxx11::operator==(const std::__cxx11::match_results<_BiIter, _Alloc>&, const std::__cxx11::match_results<_BiIter, _Alloc>&)' 2101 | operator==(const match_results<_Bi_iter, _Alloc>& __m1, | ^~~~~~~~ /usr/include/c++/10/bits/regex.h:2101:5: note: template argument deduction/substitution failed: simurgh.cpp:66:84: note: mismatched types 'const std::__cxx11::match_results<_BiIter, _Alloc>' and 'int' 66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) { | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:64, from /usr/include/c++/10/vector:60, from simurgh.h:1, from simurgh.cpp:1: /usr/include/c++/10/bits/stl_pair.h:466:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)' 466 | operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y) | ^~~~~~~~ /usr/include/c++/10/bits/stl_pair.h:466:5: note: template argument deduction/substitution failed: simurgh.cpp:66:84: note: mismatched types 'const std::pair<_T1, _T2>' and 'int' 66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) { | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/vector:60, from simurgh.h:1, from simurgh.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:360:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)' 360 | operator==(const reverse_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:360:5: note: template argument deduction/substitution failed: simurgh.cpp:66:84: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'int' 66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) { | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/vector:60, from simurgh.h:1, from simurgh.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:398:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)' 398 | operator==(const reverse_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:398:5: note: template argument deduction/substitution failed: simurgh.cpp:66:84: note: mismatched types 'const std::reverse_iterator<_Iterator>' and 'int' 66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) { | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/vector:60, from simurgh.h:1, from simurgh.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:1427:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)' 1427 | operator==(const move_iterator<_IteratorL>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:1427:5: note: template argument deduction/substitution failed: simurgh.cpp:66:84: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'int' 66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) { | ^ In file included from /usr/include/c++/10/bits/stl_algobase.h:67, from /usr/include/c++/10/vector:60, from simurgh.h:1, from simurgh.cpp:1: /usr/include/c++/10/bits/stl_iterator.h:1495:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)' 1495 | operator==(const move_iterator<_Iterator>& __x, | ^~~~~~~~ /usr/include/c++/10/bits/stl_iterator.h:1495:5: note: template argument deduction/substitution failed: simurgh.cpp:66:84: note: mismatched types 'const std::move_iterator<_IteratorL>' and 'int' 66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) { | ^ In file included from /usr/include/c++/10/vector:64, from simurgh.h:1, from simurgh.cpp:1: /usr/include/c++/10/bits/allocator.h:206:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const std::allocator<_Tp1>&, const std::allocator<_T2>&)' 206 | operator==(const allocator<_T1>&, const allocator<_T2>&) | ^~~~~~~~ /usr/include/c++/10/bits/allocator.h:206:5: note: template argument deduction/substitution failed: simurgh.cpp:66:84: note: mismatched types 'const std::allocator<_Tp1>' and 'int' 66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) { | ^ In file included from /usr/include/c++/10/vector:67, from simurgh.h:1, from simurgh.cpp:1: /usr/include/c++/10/bits/stl_vector.h:1892:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator==(const std::vector<_Tp, _Alloc>&, const std::vector<_Tp, _Alloc>&)' 1892 | operator==(const vector<_Tp, _Alloc>& __x, const vector<_Tp, _Alloc>& __y) | ^~~~~~~~ /usr/include/c++/10/bits/stl_vector.h:1892:5: note: template argument deduction/substitution failed: simurgh.cpp:66:84: note: mismatched types 'const std::vector<_Tp, _Alloc>' and 'int' 66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) { | ^ In file included from /usr/include/c++/10/iosfwd:40, from /usr/include/c++/10/ios:38, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from simurgh.cpp:2: /usr/include/c++/10/bits/postypes.h:222:5: note: candidate: 'template<class _StateT> bool std::operator==(const std::fpos<_StateT>&, const std::fpos<_StateT>&)' 222 | operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs) | ^~~~~~~~ /usr/include/c++/10/bits/postypes.h:222:5: note: template argument deduction/substitution failed: simurgh.cpp:66:84: note: mismatched types 'const std::fpos<_StateT>' and 'int' 66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) { | ^ In file included from /usr/include/c++/10/bits/basic_string.h:48, from /usr/include/c++/10/string:55, from /usr/include/c++/10/bits/locale_classes.h:40, from /usr/include/c++/10/bits/ios_base.h:41, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from simurgh.cpp:2: /usr/include/c++/10/string_view:490:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(std::basic_string_view<_CharT, _Traits>, std::basic_string_view<_CharT, _Traits>)' 490 | operator==(basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/10/string_view:490:5: note: template argument deduction/substitution failed: simurgh.cpp:66:84: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int' 66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) { | ^ In file included from /usr/include/c++/10/bits/basic_string.h:48, from /usr/include/c++/10/string:55, from /usr/include/c++/10/bits/locale_classes.h:40, from /usr/include/c++/10/bits/ios_base.h:41, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from simurgh.cpp:2: /usr/include/c++/10/string_view:496:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(std::basic_string_view<_CharT, _Traits>, std::__type_identity_t<std::basic_string_view<_CharT, _Traits> >)' 496 | operator==(basic_string_view<_CharT, _Traits> __x, | ^~~~~~~~ /usr/include/c++/10/string_view:496:5: note: template argument deduction/substitution failed: simurgh.cpp:66:84: note: mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int' 66 | if (lst.size() == n - 1 && test(tu, tv) && (count_common_roads(lst) == (lst))) { | ^ In file included from /usr/include/c++/10/bits/basic_string.h:48, from /usr/include/c++/10/string:55, from /usr/include/c++/10/bits/locale_classes.h:40, from /usr/include/c++/10/bits/ios_base.h:41, from /usr/include/c++/10/ios:42, from /usr/include/c++/10/istream:38, from /usr/include/c++/10/sstream:38, from /usr/include/c++/10/complex:45, from /usr/include/c++/10/ccomplex:39, from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54, from simurgh.cpp:2: /usr/include/c++/10/string_view:519:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool st