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View Compilation Error

0_0_17926930_17013.cpp: In function 'int bfs()':
0_0_17926930_17013.cpp:32:12: error: reference to 'hash' is ambiguous
     memset(hash,false,sizeof(hash));
            ^
0_0_17926930_17013.cpp:8:6: note: candidates are: bool hash [51][51][51]
 bool hash[51][51][51];
      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:3068:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:52,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_17926930_17013.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_17926930_17013.cpp:32:30: error: reference to 'hash' is ambiguous
     memset(hash,false,sizeof(hash));
                              ^
0_0_17926930_17013.cpp:8:6: note: candidates are: bool hash [51][51][51]
 bool hash[51][51][51];
      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:3068:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:52,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_17926930_17013.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_17926930_17013.cpp:37:5: error: reference to 'hash' is ambiguous
     hash[a][b][c]=true;
     ^
0_0_17926930_17013.cpp:8:6: note: candidates are: bool hash [51][51][51]
 bool hash[51][51][51];
      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:3068:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:52,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_17926930_17013.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_17926930_17013.cpp:4:115: error: reference to 'hash' is ambiguous
 #define PROCESS a=min3(next.p1,next.p2,next.p3);c=max3(next.p1,next.p2,next.p3);b=next.p1+next.p2+next.p3-a-c;if( hash[a][b][c] )    continue;hash[a][b][c]=true;next.dist=cur.dist+1;if( a==c )    return next.dist;Q.push(next);
                                                                                                                   ^
0_0_17926930_17013.cpp:50:13: note: in expansion of macro 'PROCESS'
             PROCESS
             ^
0_0_17926930_17013.cpp:8:6: note: candidates are: bool hash [51][51][51]
 bool hash[51][51][51];
      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:3068:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:52,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_17926930_17013.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_17926930_17013.cpp:4:143: error: reference to 'hash' is ambiguous
 #define PROCESS a=min3(next.p1,next.p2,next.p3);c=max3(next.p1,next.p2,next.p3);b=next.p1+next.p2+next.p3-a-c;if( hash[a][b][c] )    continue;hash[a][b][c]=true;next.dist=cur.dist+1;if( a==c )    return next.dist;Q.push(next);
                                                                                                                                               ^
0_0_17926930_17013.cpp:50:13: note: in expansion of macro 'PROCESS'
             PROCESS
             ^
0_0_17926930_17013.cpp:8:6: note: candidates are: bool hash [51][51][51]
 bool hash[51][51][51];
      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:3068:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:52,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_17926930_17013.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_17926930_17013.cpp:4:115: error: reference to 'hash' is ambiguous
 #define PROCESS a=min3(next.p1,next.p2,next.p3);c=max3(next.p1,next.p2,next.p3);b=next.p1+next.p2+next.p3-a-c;if( hash[a][b][c] )    continue;hash[a][b][c]=true;next.dist=cur.dist+1;if( a==c )    return next.dist;Q.push(next);
                                                                                                                   ^
0_0_17926930_17013.cpp:58:13: note: in expansion of macro 'PROCESS'
             PROCESS
             ^
0_0_17926930_17013.cpp:8:6: note: candidates are: bool hash [51][51][51]
 bool hash[51][51][51];
      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:3068:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:52,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_17926930_17013.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_17926930_17013.cpp:4:143: error: reference to 'hash' is ambiguous
 #define PROCESS a=min3(next.p1,next.p2,next.p3);c=max3(next.p1,next.p2,next.p3);b=next.p1+next.p2+next.p3-a-c;if( hash[a][b][c] )    continue;hash[a][b][c]=true;next.dist=cur.dist+1;if( a==c )    return next.dist;Q.push(next);
                                                                                                                                               ^
0_0_17926930_17013.cpp:58:13: note: in expansion of macro 'PROCESS'
             PROCESS
             ^
0_0_17926930_17013.cpp:8:6: note: candidates are: bool hash [51][51][51]
 bool hash[51][51][51];
      ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/basic_string.h:3068:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/string:52,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/locale_classes.h:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/ios_base.h:41,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ios:42,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/ostream:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/iostream:39,
                 from 0_0_17926930_17013.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^
0_0_17926930_17013.cpp:4:115: error: reference to 'hash' is ambiguous
 #define PROCESS a=min3(next.p1,next.p2,next.p3);c=max3(next.p1,next.p2,next.p3);b=next.p1+next.p2+next.p3-a-c;if( hash[a][b][c] )    continue;hash[a][b][c]=true;next.dist=cur.dist+1;if( a==c )    return next.dist;Q.push(next);
                                  


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