Eroare de compilare: user.cpp:14:32: error: ‘int pow [200005]’ redeclared as different kind of symbol int low[DIM], lev[DIM], pow[DIM], ans[DIM], sol[DIM]; ^ In file included from /usr/include/features.h:357:0, from /usr/include/i386-linux-gnu/c++/4.8/bits/os_defines.h:39, from /usr/include/i386-linux-gnu/c++/4.8/bits/c++config.h:420, from /usr/include/c++/4.8/iosfwd:38, from /usr/include/c++/4.8/ios:38, from /usr/include/c++/4.8/istream:38, from /usr/include/c++/4.8/fstream:38, from user.cpp:1: /usr/include/i386-linux-gnu/bits/mathcalls.h:155:1: error: previous declaration of ‘double pow(double, double)’ __MATHCALL (pow,, (_Mdouble_ __x, _Mdouble_ __y)); ^ user.cpp: In function ‘int main(int, const char**)’: user.cpp:70:10: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript pow[0] = 1; ^ user.cpp:72:14: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript pow[i] = f( pow[i - 1] << 1 ); ^ user.cpp:72:30: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript pow[i] = f( pow[i - 1] << 1 ); ^ user.cpp:78:33: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript sol[x] = f( pow[ ans[x] ] + MOD - 2 ); ^