Eroare de compilare: user.cpp:8:14: error: ‘int log2 [50005]’ redeclared as different kind of symbol int log2[nmax],tot=0,niv[nmax],H,L[20][nmax],n; ^ 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:146:1: error: previous declaration of ‘double log2(double)’ __MATHCALL (log2,, (_Mdouble_ __x)); ^ user.cpp: In function ‘int LCA(int, int)’: user.cpp:14:23: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript for (h=log2[niv[x]];h>=0;h--) ^ user.cpp:21:24: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript for ( h=log2[niv[x]]; h>=0; h--) ^ user.cpp: In function ‘void ancestors()’: user.cpp:41:21: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript for (i=2, log2[1]=0; i<=H; i++) ^ user.cpp:42:15: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript log2[i]=log2[i/2]+1; ^ user.cpp:42:25: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript log2[i]=log2[i/2]+1; ^ user.cpp:45:23: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript for (i=1;i<=log2[H];i++) ^