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View Compilation Error

0_0_28336339_21796.cpp:9:23: error: 'ULL pow [1600005]' redeclared as different kind of symbol
 ULL ans[MAXN],pow[MAXN],sum[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_28336339_21796.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_28336339_21796.cpp: In function 'void init()':
0_0_28336339_21796.cpp:23:10: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
     pow[0]=1;
          ^
0_0_28336339_21796.cpp:25:10: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
     pow[i]=pow[i-1]*BASE;
          ^
0_0_28336339_21796.cpp:25:19: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
     pow[i]=pow[i-1]*BASE;
                   ^
0_0_28336339_21796.cpp: In function 'void solve(int)':
0_0_28336339_21796.cpp:33:41: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
         ans[cnt]=sum[i+N-1]-sum[i]*pow[i];
                                         ^


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