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View Compilation Error

0_0_19902214_16747.cpp: In function 'void put(int, int)':
0_0_19902214_16747.cpp:84:33: error: reference to 'hash' is ambiguous
  gmin[dis[u]] = (hmin[dis[u]] ^ hash) ? (hmin[dis[u]] = hash, u) : min(gmin[dis[u]], u);
                                 ^
0_0_19902214_16747.cpp:20:55: note: candidates are: int hash
 int root, size[maxn], dp[maxn], gmin[mod], hmin[mod], hash;
                                                       ^
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_19902214_16747.cpp:6:
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_19902214_16747.cpp:84:57: error: reference to 'hash' is ambiguous
  gmin[dis[u]] = (hmin[dis[u]] ^ hash) ? (hmin[dis[u]] = hash, u) : min(gmin[dis[u]], u);
                                                         ^
0_0_19902214_16747.cpp:20:55: note: candidates are: int hash
 int root, size[maxn], dp[maxn], gmin[mod], hmin[mod], hash;
                                                       ^
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_19902214_16747.cpp:6:
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_19902214_16747.cpp: In function 'void conquer(int)':
0_0_19902214_16747.cpp:113:4: error: reference to 'hash' is ambiguous
  ++hash;
    ^
0_0_19902214_16747.cpp:20:55: note: candidates are: int hash
 int root, size[maxn], dp[maxn], gmin[mod], hmin[mod], hash;
                                                       ^
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_19902214_16747.cpp:6:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/functional_hash.h:58:12: note:                 template<class _Tp> struct std::hash
     struct hash;
            ^


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