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View Compilation Error

0_0_15193443_8879.cpp: In function 'int main()':
0_0_15193443_8879.cpp:105:9: error: reference to 'hash' is ambiguous
     if (hash[q].find(str1) == hash[q].end()) hash[q][str1] = ++tot[q];
         ^
0_0_15193443_8879.cpp:10:18: note: candidates are: std::map<std::basic_string<char>, int> hash [2]
 map<string, int> hash[2];
                  ^
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++/random:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from 0_0_15193443_8879.cpp:3:
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_15193443_8879.cpp:105:31: error: reference to 'hash' is ambiguous
     if (hash[q].find(str1) == hash[q].end()) hash[q][str1] = ++tot[q];
                               ^
0_0_15193443_8879.cpp:10:18: note: candidates are: std::map<std::basic_string<char>, int> hash [2]
 map<string, int> hash[2];
                  ^
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++/random:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from 0_0_15193443_8879.cpp:3:
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_15193443_8879.cpp:105:46: error: reference to 'hash' is ambiguous
     if (hash[q].find(str1) == hash[q].end()) hash[q][str1] = ++tot[q];
                                              ^
0_0_15193443_8879.cpp:10:18: note: candidates are: std::map<std::basic_string<char>, int> hash [2]
 map<string, int> hash[2];
                  ^
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++/random:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from 0_0_15193443_8879.cpp:3:
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_15193443_8879.cpp:106:9: error: reference to 'hash' is ambiguous
     if (hash[p].find(str2) == hash[p].end()) hash[p][str2] = ++tot[p];
         ^
0_0_15193443_8879.cpp:10:18: note: candidates are: std::map<std::basic_string<char>, int> hash [2]
 map<string, int> hash[2];
                  ^
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++/random:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from 0_0_15193443_8879.cpp:3:
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_15193443_8879.cpp:106:31: error: reference to 'hash' is ambiguous
     if (hash[p].find(str2) == hash[p].end()) hash[p][str2] = ++tot[p];
                               ^
0_0_15193443_8879.cpp:10:18: note: candidates are: std::map<std::basic_string<char>, int> hash [2]
 map<string, int> hash[2];
                  ^
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++/random:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from 0_0_15193443_8879.cpp:3:
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_15193443_8879.cpp:106:46: error: reference to 'hash' is ambiguous
     if (hash[p].find(str2) == hash[p].end()) hash[p][str2] = ++tot[p];
                                              ^
0_0_15193443_8879.cpp:10:18: note: candidates are: std::map<std::basic_string<char>, int> hash [2]
 map<string, int> hash[2];
                  ^
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++/random:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from 0_0_15193443_8879.cpp:3:
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_15193443_8879.cpp:107:9: error: reference to 'hash' is ambiguous
     x = hash[q][str1];
         ^
0_0_15193443_8879.cpp:10:18: note: candidates are: std::map<std::basic_string<char>, int> hash [2]
 map<string, int> hash[2];
                  ^
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++/random:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from 0_0_15193443_8879.cpp:3:
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_15193443_8879.cpp:108:9: error: reference to 'hash' is ambiguous
     y = hash[p][str2];
         ^
0_0_15193443_8879.cpp:10:18: note: candidates are: std::map<std::basic_string<char>, int> hash [2]
 map<string, int> hash[2];
                  ^
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++/random:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from 0_0_15193443_8879.cpp:3:
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_15193443_8879.cpp:142:9: error: reference to 'hash' is ambiguous
     if (hash[q].find(str1) == hash[q].end()) hash[q][str1] = ++tot[q];
         ^
0_0_15193443_8879.cpp:10:18: note: candidates are: std::map<std::basic_string<char>, int> hash [2]
 map<string, int> hash[2];
                  ^
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++/random:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from 0_0_15193443_8879.cpp:3:
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_15193443_8879.cpp:142:31: error: reference to 'hash' is ambiguous
     if (hash[q].find(str1) == hash[q].end()) hash[q][str1] = ++tot[q];
                               ^
0_0_15193443_8879.cpp:10:18: note: candidates are: std::map<std::basic_string<char>, int> hash [2]
 map<string, int> hash[2];
                  ^
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++/random:40,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64


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