Eroare de compilare: user.cpp:7:26: error: ‘int log’ redeclared as different kind of symbol int i,n,m,p[17000][16],d,log,l,rez,j,ind[17000]; ^ In file included from /usr/include/features.h:346:0, from /usr/local/include/c++/4.8.0/i686-pc-linux-gnu/bits/os_defines.h:39, from /usr/local/include/c++/4.8.0/i686-pc-linux-gnu/bits/c++config.h:420, from /usr/local/include/c++/4.8.0/iosfwd:38, from /usr/local/include/c++/4.8.0/ios:38, from /usr/local/include/c++/4.8.0/istream:38, from /usr/local/include/c++/4.8.0/fstream:38, from user.cpp:1: /usr/include/bits/mathcalls.h:110:1: error: previous declaration of ‘double log(double)’ __MATHCALL (log,, (_Mdouble_ __x)); ^ user.cpp: In function ‘int prefix(int, int)’: user.cpp:17:16: error: cannot resolve overloaded function ‘log’ based on conversion to type ‘int’ for (int i=log; i>=0 && x<=n && y<=n; --i) ^ user.cpp: In function ‘int main()’: user.cpp:29:22: error: no pre-increment operator for type while (n1>0) { ++log; n1/=2; } ^ user.cpp:31:23: error: invalid operands of types ‘int’ and ‘<unresolved overloaded function type>’ to binary ‘operator<=’ for (i=1, l=1; i<=log && l<=n; ++i, l*=2) { ^ user.cpp:47:39: error: invalid types ‘int [16][<unresolved overloaded function type>]’ for array subscript for (i=1; i<=n; ++i) ind[p[i][log]]=i; ^