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View Compilation Error

0_0_15750945_11923.cpp:8:31: error: 'unsigned int pow [100007]' redeclared as different kind of symbol
 unsigned hashs[maxn], pow[maxn];
                               ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/cmath:44:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:38,
                 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_15750945_11923.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/math.h:151:18: note: previous declaration 'double pow(double, double)'
   double __cdecl pow(double _X,double _Y);
                  ^
0_0_15750945_11923.cpp: In function 'int judge(int)':
0_0_15750945_11923.cpp:27:41: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
   mem[i].h=hashs[i+l-1]-hashs[i-1]*pow[l];
                                         ^
0_0_15750945_11923.cpp: In function 'int main()':
0_0_15750945_11923.cpp:70:8: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
   pow[0]=1;
        ^
0_0_15750945_11923.cpp:73:9: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
    pow[i]=pow[i-1]*seed;
         ^
0_0_15750945_11923.cpp:73:18: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
    pow[i]=pow[i-1]*seed;
                  ^


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