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View Compilation Error

0_0_15481258_13858.cpp: In function 'int main()':
0_0_15481258_13858.cpp:21:27: error: reference to 'hash' is ambiguous
   for (int i=1;i<=len;i++)hash[i]=(hash[i-1]*p1+s[i-1]-'a')%p2;
                           ^
0_0_15481258_13858.cpp:15:4: note: candidates are: long long int hash [100010]
 LL hash[100010],h[100010],ans[100010];
    ^
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_15481258_13858.cpp:5:
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_15481258_13858.cpp:21:36: error: reference to 'hash' is ambiguous
   for (int i=1;i<=len;i++)hash[i]=(hash[i-1]*p1+s[i-1]-'a')%p2;
                                    ^
0_0_15481258_13858.cpp:15:4: note: candidates are: long long int hash [100010]
 LL hash[100010],h[100010],ans[100010];
    ^
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_15481258_13858.cpp:5:
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_15481258_13858.cpp:27:11: error: reference to 'hash' is ambiguous
     LL t=(hash[i+j*L+L]-hash[i+j*L]*h[L]%p2+p2)%p2;
           ^
0_0_15481258_13858.cpp:15:4: note: candidates are: long long int hash [100010]
 LL hash[100010],h[100010],ans[100010];
    ^
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_15481258_13858.cpp:5:
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_15481258_13858.cpp:27:25: error: reference to 'hash' is ambiguous
     LL t=(hash[i+j*L+L]-hash[i+j*L]*h[L]%p2+p2)%p2;
                         ^
0_0_15481258_13858.cpp:15:4: note: candidates are: long long int hash [100010]
 LL hash[100010],h[100010],ans[100010];
    ^
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_15481258_13858.cpp:5:
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_15481258_13858.cpp:32:11: error: reference to 'hash' is ambiguous
     LL t=(hash[i+j*L+L]-hash[i+j*L]*h[L]%p2+p2)%p2;
           ^
0_0_15481258_13858.cpp:15:4: note: candidates are: long long int hash [100010]
 LL hash[100010],h[100010],ans[100010];
    ^
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_15481258_13858.cpp:5:
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_15481258_13858.cpp:32:25: error: reference to 'hash' is ambiguous
     LL t=(hash[i+j*L+L]-hash[i+j*L]*h[L]%p2+p2)%p2;
                         ^
0_0_15481258_13858.cpp:15:4: note: candidates are: long long int hash [100010]
 LL hash[100010],h[100010],ans[100010];
    ^
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_15481258_13858.cpp:5:
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_15481258_13858.cpp:36:8: error: reference to 'hash' is ambiguous
     t=(hash[i+(j-M+1)*L+L]-hash[i+(j-M+1)*L]*h[L]%p2+p2)%p2;
        ^
0_0_15481258_13858.cpp:15:4: note: candidates are: long long int hash [100010]
 LL hash[100010],h[100010],ans[100010];
    ^
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_15481258_13858.cpp:5:
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_15481258_13858.cpp:36:28: error: reference to 'hash' is ambiguous
     t=(hash[i+(j-M+1)*L+L]-hash[i+(j-M+1)*L]*h[L]%p2+p2)%p2;
                            ^
0_0_15481258_13858.cpp:15:4: note: candidates are: long long int hash [100010]
 LL hash[100010],h[100010],ans[100010];
    ^
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_15481258_13858.cpp:5:
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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