0_0_37823554_566.cpp: In function 'int find(int)':
0_0_37823554_566.cpp:7:11: error: no match for 'operator==' (operand types are 'int' and 'std::pair<int, int>')
return x == p[x] ? x : p[x] = find(p[x]);
^
0_0_37823554_566.cpp:7:11: note: candidates are:
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/unordered_set:48:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:116,
from 0_0_37823554_566.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/unordered_set.h:1343:5: note: template<class _Value, class _Hash, class _Pred, class _Alloc> bool std::operator==(const std::unordered_multiset<_Value, _Hash, _Pred, _Alloc>&, const std::unordered_multiset<_Value, _Hash, _Pred, _Alloc>&)
operator==(const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/unordered_set.h:1343:5: note: template argument deduction/substitution failed:
0_0_37823554_566.cpp:7:17: note: mismatched types 'const std::unordered_multiset<_Value, _Hash, _Pred, _Alloc>' and 'int'
return x == p[x] ? x : p[x] = find(p[x]);
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/unordered_set:48:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:116,
from 0_0_37823554_566.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/unordered_set.h:1331:5: note: template<class _Value, class _Hash, class _Pred, class _Alloc> bool std::operator==(const std::unordered_set<_Value, _Hash, _Pred, _Alloc>&, const std::unordered_set<_Value, _Hash, _Pred, _Alloc>&)
operator==(const unordered_set<_Value, _Hash, _Pred, _Alloc>& __x,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/unordered_set.h:1331:5: note: template argument deduction/substitution failed:
0_0_37823554_566.cpp:7:17: note: mismatched types 'const std::unordered_set<_Value, _Hash, _Pred, _Alloc>' and 'int'
return x == p[x] ? x : p[x] = find(p[x]);
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/unordered_map:48:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:115,
from 0_0_37823554_566.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/unordered_map.h:1462:5: note: template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> bool std::operator==(const std::unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>&, const std::unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>&)
operator==(const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/unordered_map.h:1462:5: note: template argument deduction/substitution failed:
0_0_37823554_566.cpp:7:17: note: mismatched types 'const std::unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>' and 'int'
return x == p[x] ? x : p[x] = find(p[x]);
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/unordered_map:48:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:115,
from 0_0_37823554_566.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/unordered_map.h:1450:5: note: template<class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> bool std::operator==(const std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>&, const std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>&)
operator==(const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/unordered_map.h:1450:5: note: template argument deduction/substitution failed:
0_0_37823554_566.cpp:7:17: note: mismatched types 'const std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>' and 'int'
return x == p[x] ? x : p[x] = find(p[x]);
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:109:0,
from 0_0_37823554_566.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/scoped_allocator:443:5: note: template<class _OutA1, class _OutA2, class ... _InA> bool std::operator==(const std::scoped_allocator_adaptor<_OutA1, _InA ...>&, const std::scoped_allocator_adaptor<_InnerHead, _InnerTail ...>&)
operator==(const scoped_allocator_adaptor<_OutA1, _InA...>& __a,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/scoped_allocator:443:5: note: template argument deduction/substitution failed:
0_0_37823554_566.cpp:7:17: note: mismatched types 'const std::scoped_allocator_adaptor<_OutA1, _InA ...>' and 'int'
return x == p[x] ? x : p[x] = find(p[x]);
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/regex:58:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:108,
from 0_0_37823554_566.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/regex.h:1920:5: note: template<class _Bi_iter, class _Alloc> bool std::operator==(const std::match_results<_BiIter, _Alloc>&, const std::match_results<_BiIter, _Alloc>&)
operator==(const match_results<_Bi_iter, _Alloc>& __m1,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/regex.h:1920:5: note: template argument deduction/substitution failed:
0_0_37823554_566.cpp:7:17: note: mismatched types 'const std::match_results<_BiIter, _Alloc>' and 'int'
return x == p[x] ? x : p[x] = find(p[x]);
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/regex:58:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:108,
from 0_0_37823554_566.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/regex.h:1400:5: note: template<class _Bi_iter> bool std::operator==(const std::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)
operator==(const sub_match<_Bi_iter>& __lhs,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/regex.h:1400:5: note: template argument deduction/substitution failed:
0_0_37823554_566.cpp:7:17: note: mismatched types 'const std::sub_match<_BiIter>' and 'int'
return x == p[x] ? x : p[x] = find(p[x]);
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/regex:58:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:108,
from 0_0_37823554_566.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/regex.h:1320:5: note: template<class _Bi_iter> bool std::operator==(const typename std::iterator_traits<_Iter>::value_type&, const std::sub_match<_BiIter>&)
operator==(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/regex.h:1320:5: note: template argument deduction/substitution failed:
0_0_37823554_566.cpp:7:17: note: 'std::pair<int, int>' is not derived from 'const std::sub_match<_BiIter>'
return x == p[x] ? x : p[x] = find(p[x]);
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/regex:58:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:108,
from 0_0_37823554_566.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/regex.h:1246:5: note: template<class _Bi_iter> bool std::operator==(const std::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)
operator==(const sub_match<_Bi_iter>& __lhs,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/regex.h:1246:5: note: template argument deduction/substitution failed:
0_0_37823554_566.cpp:7:17: note: mismatched types 'const std::sub_match<_BiIter>' and 'int'
return x == p[x] ? x : p[x] = find(p[x]);
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/regex:58:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:108,
from 0_0_37823554_566.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/regex.h:1172:5: note: template<class _Bi_iter> bool std::operator==(const typename std::iterator_traits<_Iter>::value_type*, const std::sub_match<_BiIter>&)
operator==(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/regex.h:1172:5: note: template argument deduction/substitution failed:
0_0_37823554_566.cpp:7:17: note: 'std::pair<int, int>' is not derived from 'const std::sub_match<_BiIter>'
return x == p[x] ? x : p[x] = find(p[x]);
^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/regex:58:0,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:108,
from 0_0_37823554_566.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/regex.h:1098:5: note: template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::operator==(const std::sub_match<_BiIter>&, std::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)
operator==(const sub_match<_Bi_iter>& __lhs,
^
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/regex.h:1098:5: note: template argument deduction/substitu
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