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View Compilation Error

0_0_25933866_9397.cpp:10:14: error: 'int exp2 [1010]' redeclared as different kind of symbol
 int exp2[1010];
              ^
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_25933866_9397.cpp:4:
GCC4.9.2/x86_64-w64-mingw32/include/math.h:593:25: note: previous declaration 'double exp2(double)'
   extern double __cdecl exp2(double);
                         ^
0_0_25933866_9397.cpp: In function 'void pre()':
0_0_25933866_9397.cpp:38:11: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
     exp2[0] = 1;
           ^
0_0_25933866_9397.cpp:40:15: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
         exp2[i] = exp2[i-1]+exp2[i-1];
               ^
0_0_25933866_9397.cpp:40:27: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
         exp2[i] = exp2[i-1]+exp2[i-1];
                           ^
0_0_25933866_9397.cpp:40:37: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
         exp2[i] = exp2[i-1]+exp2[i-1];
                                     ^
0_0_25933866_9397.cpp:41:19: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
         if (exp2[i] >= Mod) exp2[i]-=Mod;
                   ^
0_0_25933866_9397.cpp:41:35: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
         if (exp2[i] >= Mod) exp2[i]-=Mod;
                                   ^
0_0_25933866_9397.cpp:45:41: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
             f[i][j] = (LL)f[i][j]*exp2[i]%Mod;
                                         ^


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