/in/foo.cc: In function 'bool check()':
/in/foo.cc:9:10: error: reference to 'hash' is ambiguous
memset(hash,0,sizeof(hash));
^~~~
/in/foo.cc:3:25: note: candidates are: int hash [11]
int i,j,k,l,n,a[11][11],hash[11];
^~~~
In file included from /usr/include/c++/6/bits/basic_string.h:5643:0,
from /usr/include/c++/6/string:52,
from /usr/include/c++/6/bits/locale_classes.h:40,
from /usr/include/c++/6/bits/ios_base.h:41,
from /usr/include/c++/6/ios:42,
from /usr/include/c++/6/istream:38,
from /usr/include/c++/6/sstream:38,
from /usr/include/c++/6/complex:45,
from /usr/include/c++/6/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:52,
from /in/foo.cc:1:
/usr/include/c++/6/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash
struct hash;
^~~~
/in/foo.cc:9:24: error: reference to 'hash' is ambiguous
memset(hash,0,sizeof(hash));
^~~~
/in/foo.cc:3:25: note: candidates are: int hash [11]
int i,j,k,l,n,a[11][11],hash[11];
^~~~
In file included from /usr/include/c++/6/bits/basic_string.h:5643:0,
from /usr/include/c++/6/string:52,
from /usr/include/c++/6/bits/locale_classes.h:40,
from /usr/include/c++/6/bits/ios_base.h:41,
from /usr/include/c++/6/ios:42,
from /usr/include/c++/6/istream:38,
from /usr/include/c++/6/sstream:38,
from /usr/include/c++/6/complex:45,
from /usr/include/c++/6/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:52,
from /in/foo.cc:1:
/usr/include/c++/6/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash
struct hash;
^~~~
/in/foo.cc:11:5: error: reference to 'hash' is ambiguous
hash[a[i][j]]++;
^~~~
/in/foo.cc:3:25: note: candidates are: int hash [11]
int i,j,k,l,n,a[11][11],hash[11];
^~~~
In file included from /usr/include/c++/6/bits/basic_string.h:5643:0,
from /usr/include/c++/6/string:52,
from /usr/include/c++/6/bits/locale_classes.h:40,
from /usr/include/c++/6/bits/ios_base.h:41,
from /usr/include/c++/6/ios:42,
from /usr/include/c++/6/istream:38,
from /usr/include/c++/6/sstream:38,
from /usr/include/c++/6/complex:45,
from /usr/include/c++/6/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:52,
from /in/foo.cc:1:
/usr/include/c++/6/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash
struct hash;
^~~~
/in/foo.cc:13:8: error: reference to 'hash' is ambiguous
if(hash[j]!=1)
^~~~
/in/foo.cc:3:25: note: candidates are: int hash [11]
int i,j,k,l,n,a[11][11],hash[11];
^~~~
In file included from /usr/include/c++/6/bits/basic_string.h:5643:0,
from /usr/include/c++/6/string:52,
from /usr/include/c++/6/bits/locale_classes.h:40,
from /usr/include/c++/6/bits/ios_base.h:41,
from /usr/include/c++/6/ios:42,
from /usr/include/c++/6/istream:38,
from /usr/include/c++/6/sstream:38,
from /usr/include/c++/6/complex:45,
from /usr/include/c++/6/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:52,
from /in/foo.cc:1:
/usr/include/c++/6/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash
struct hash;
^~~~
/in/foo.cc:19:10: error: reference to 'hash' is ambiguous
memset(hash,0,sizeof(hash));
^~~~
/in/foo.cc:3:25: note: candidates are: int hash [11]
int i,j,k,l,n,a[11][11],hash[11];
^~~~
In file included from /usr/include/c++/6/bits/basic_string.h:5643:0,
from /usr/include/c++/6/string:52,
from /usr/include/c++/6/bits/locale_classes.h:40,
from /usr/include/c++/6/bits/ios_base.h:41,
from /usr/include/c++/6/ios:42,
from /usr/include/c++/6/istream:38,
from /usr/include/c++/6/sstream:38,
from /usr/include/c++/6/complex:45,
from /usr/include/c++/6/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:52,
from /in/foo.cc:1:
/usr/include/c++/6/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash
struct hash;
^~~~
/in/foo.cc:19:24: error: reference to 'hash' is ambiguous
memset(hash,0,sizeof(hash));
^~~~
/in/foo.cc:3:25: note: candidates are: int hash [11]
int i,j,k,l,n,a[11][11],hash[11];
^~~~
In file included from /usr/include/c++/6/bits/basic_string.h:5643:0,
from /usr/include/c++/6/string:52,
from /usr/include/c++/6/bits/locale_classes.h:40,
from /usr/include/c++/6/bits/ios_base.h:41,
from /usr/include/c++/6/ios:42,
from /usr/include/c++/6/istream:38,
from /usr/include/c++/6/sstream:38,
from /usr/include/c++/6/complex:45,
from /usr/include/c++/6/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:52,
from /in/foo.cc:1:
/usr/include/c++/6/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash
struct hash;
^~~~
/in/foo.cc:21:5: error: reference to 'hash' is ambiguous
hash[a[j][i]]++;
^~~~
/in/foo.cc:3:25: note: candidates are: int hash [11]
int i,j,k,l,n,a[11][11],hash[11];
^~~~
In file included from /usr/include/c++/6/bits/basic_string.h:5643:0,
from /usr/include/c++/6/string:52,
from /usr/include/c++/6/bits/locale_classes.h:40,
from /usr/include/c++/6/bits/ios_base.h:41,
from /usr/include/c++/6/ios:42,
from /usr/include/c++/6/istream:38,
from /usr/include/c++/6/sstream:38,
from /usr/include/c++/6/complex:45,
from /usr/include/c++/6/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:52,
from /in/foo.cc:1:
/usr/include/c++/6/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash
struct hash;
^~~~
/in/foo.cc:23:8: error: reference to 'hash' is ambiguous
if(hash[j]!=1)
^~~~
/in/foo.cc:3:25: note: candidates are: int hash [11]
int i,j,k,l,n,a[11][11],hash[11];
^~~~
In file included from /usr/include/c++/6/bits/basic_string.h:5643:0,
from /usr/include/c++/6/string:52,
from /usr/include/c++/6/bits/locale_classes.h:40,
from /usr/include/c++/6/bits/ios_base.h:41,
from /usr/include/c++/6/ios:42,
from /usr/include/c++/6/istream:38,
from /usr/include/c++/6/sstream:38,
from /usr/include/c++/6/complex:45,
from /usr/include/c++/6/ccomplex:39,
from /usr/include/x86_64-linux-gnu/c++/6/bits/stdc++.h:52,
from /in/foo.cc:1:
/usr/include/c++/6/bits/functional_hash.h:58:12: note: template<class _Tp> struct std::hash
struct hash;
^~~~
/in/foo.cc:27:9: error: reference to 'hash' is ambiguous
memset(hash,0,sizeof(hash));
^~~~
/in/foo.cc:3:25: note: candidates are: int hash [11]
int i,j,k,l,n,a[11][11],hash[11];
^~~~
In file included from /usr/include/c++