0_0_38573554_8182.cpp: In function 'int main()':
0_0_38573554_8182.cpp:29:19: error: reference to 'hash' is ambiguous
p=hash(s);
^~~~
In file included from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/string_view:43,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/basic_string.h:48,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/string:52,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/locale_classes.h:40,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/ios_base.h:41,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/ios:42,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/ostream:38,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/iostream:39,
from 0_0_38573554_8182.cpp:1:
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/functional_hash.h:58:12: note: candidates are: 'template<class _Tp> struct std::hash'
struct hash;
^~~~
0_0_38573554_8182.cpp:8:5: note: 'int hash(int)'
int hash(int k){
^~~~
0_0_38573554_8182.cpp:36:19: error: reference to 'hash' is ambiguous
p=hash(s);
^~~~
In file included from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/string_view:43,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/basic_string.h:48,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/string:52,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/locale_classes.h:40,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/ios_base.h:41,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/ios:42,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/ostream:38,
from gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/iostream:39,
from 0_0_38573554_8182.cpp:1:
gcc-8.5.0/lib/gcc/x86_64-w64-mingw32/8.5.0/include/c++/bits/functional_hash.h:58:12: note: candidates are: 'template<class _Tp> struct std::hash'
struct hash;
^~~~
0_0_38573554_8182.cpp:8:5: note: 'int hash(int)'
int hash(int k){
^~~~
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