Eroare de compilare: user.cpp:11:15: error: ‘int exp [16]’ redeclared as different kind of symbol int exp[Pmax+1],prim[Pmax+1]={0, 2, 3, 5, 7,11,13,17,19,23,29,31,37,41,43,47}; ^ 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:101:1: error: previous declaration of ‘double exp(double)’ __MATHCALL (exp,, (_Mdouble_ __x)); ^ user.cpp: In function ‘void back(int, int, int, long long unsigned int)’: user.cpp:27:29: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript for(int p=1;p<=exp[i];++p) ^ user.cpp: In function ‘int main()’: user.cpp:44:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(p<=b) ^ user.cpp:50:14: error: invalid types ‘<unresolved overloaded function type>[int]’ for array subscript exp[i]=k-1; ^ user.cpp:54:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<sol.size();++i) ^