0_0_27161523_10454.cpp: In function 'int main()':
0_0_27161523_10454.cpp:57:17: error: no match for 'operator==' (operand types are 'std::string {aka std::basic_string<char>}' and 'long long int')
if(s == NULL)
^
0_0_27161523_10454.cpp:57:17: 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_27161523_10454.cpp:3:
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:
In file included from GCC4.9.2/lib/gcc/x86_64-w64-mingw32/4.9.2/include/stddef.h:1:0,
from GCC4.9.2/x86_64-w64-mingw32/include/inttypes.h:14,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/cinttypes:46,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:54,
from 0_0_27161523_10454.cpp:3:
0_0_27161523_10454.cpp:57:20: note: 'std::string {aka std::basic_string<char>}' is not derived from 'const std::unordered_multiset<_Value, _Hash, _Pred, _Alloc>'
if(s == NULL)
^
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_27161523_10454.cpp:3:
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:
In file included from GCC4.9.2/lib/gcc/x86_64-w64-mingw32/4.9.2/include/stddef.h:1:0,
from GCC4.9.2/x86_64-w64-mingw32/include/inttypes.h:14,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/cinttypes:46,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:54,
from 0_0_27161523_10454.cpp:3:
0_0_27161523_10454.cpp:57:20: note: 'std::string {aka std::basic_string<char>}' is not derived from 'const std::unordered_set<_Value, _Hash, _Pred, _Alloc>'
if(s == NULL)
^
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_27161523_10454.cpp:3:
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:
In file included from GCC4.9.2/lib/gcc/x86_64-w64-mingw32/4.9.2/include/stddef.h:1:0,
from GCC4.9.2/x86_64-w64-mingw32/include/inttypes.h:14,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/cinttypes:46,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:54,
from 0_0_27161523_10454.cpp:3:
0_0_27161523_10454.cpp:57:20: note: 'std::string {aka std::basic_string<char>}' is not derived from 'const std::unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>'
if(s == NULL)
^
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_27161523_10454.cpp:3:
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:
In file included from GCC4.9.2/lib/gcc/x86_64-w64-mingw32/4.9.2/include/stddef.h:1:0,
from GCC4.9.2/x86_64-w64-mingw32/include/inttypes.h:14,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/cinttypes:46,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:54,
from 0_0_27161523_10454.cpp:3:
0_0_27161523_10454.cpp:57:20: note: 'std::string {aka std::basic_string<char>}' is not derived from 'const std::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>'
if(s == NULL)
^
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_27161523_10454.cpp:3:
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:
In file included from GCC4.9.2/lib/gcc/x86_64-w64-mingw32/4.9.2/include/stddef.h:1:0,
from GCC4.9.2/x86_64-w64-mingw32/include/inttypes.h:14,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/cinttypes:46,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:54,
from 0_0_27161523_10454.cpp:3:
0_0_27161523_10454.cpp:57:20: note: 'std::string {aka std::basic_string<char>}' is not derived from 'const std::scoped_allocator_adaptor<_OutA1, _InA ...>'
if(s == NULL)
^
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_27161523_10454.cpp:3:
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:
In file included from GCC4.9.2/lib/gcc/x86_64-w64-mingw32/4.9.2/include/stddef.h:1:0,
from GCC4.9.2/x86_64-w64-mingw32/include/inttypes.h:14,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/cinttypes:46,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:54,
from 0_0_27161523_10454.cpp:3:
0_0_27161523_10454.cpp:57:20: note: 'std::string {aka std::basic_string<char>}' is not derived from 'const std::match_results<_BiIter, _Alloc>'
if(s == NULL)
^
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_27161523_10454.cpp:3:
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:
In file included from GCC4.9.2/lib/gcc/x86_64-w64-mingw32/4.9.2/include/stddef.h:1:0,
from GCC4.9.2/x86_64-w64-mingw32/include/inttypes.h:14,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/cinttypes:46,
from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:54,
from 0_0_27161523_10454.cpp:3:
0_0_27161523_10454.cpp:57:20: note: 'std::string {aka std::
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