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View Compilation Error

0_0_25953787_29558.cpp:27:18: error: 'll pow [2007][2007]' redeclared as different kind of symbol
 ll pow[MAXN][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_25953787_29558.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_25953787_29558.cpp: In function 'll q_pow(ll, ll)':
0_0_25953787_29558.cpp:30:10: error: invalid types '<unresolved overloaded function type>[ll {aka long long int}]' for array subscript
  if(pow[a][b]) return pow[a][b];
          ^
0_0_25953787_29558.cpp:30:28: error: invalid types '<unresolved overloaded function type>[ll {aka long long int}]' for array subscript
  if(pow[a][b]) return pow[a][b];
                            ^
0_0_25953787_29558.cpp:38:13: error: invalid types '<unresolved overloaded function type>[ll {aka long long int}]' for array subscript
     pow[sava][savb] = ans;
             ^


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