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View Compilation Error

0_0_23349639_16115.cpp: In function 'int main()':
0_0_23349639_16115.cpp:44:20: error: reference to 'hash' is ambiguous
   for(i=1;i<=n;i++)hash[s[i].pos]=i;//按值排序后将值离散化 
                    ^
0_0_23349639_16115.cpp:11:5: note: candidates are: int hash [100010]
 int hash[MAX],C[MAX];
     ^
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_23349639_16115.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_23349639_16115.cpp:47:11: error: reference to 'hash' is ambiguous
    Modify(hash[i],1);
           ^
0_0_23349639_16115.cpp:11:5: note: candidates are: int hash [100010]
 int hash[MAX],C[MAX];
     ^
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_23349639_16115.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_23349639_16115.cpp:48:17: error: reference to 'hash' is ambiguous
    ans+=(i-nSum(hash[i]));//前边的一共有i个,减去比hash[i]小的值和与等于的剩下就是比它大的个数 
                 ^
0_0_23349639_16115.cpp:11:5: note: candidates are: int hash [100010]
 int hash[MAX],C[MAX];
     ^
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_23349639_16115.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;
            ^


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