Eroare de compilare: user.cpp:15:51: error: ‘int cos’ redeclared as different kind of symbol int i,j,P[DM],D[DM],L,H[DM],nod,t,xi,yi,xf,yf,des,cos,m[1001][1001],N,M,d[1001][1001]; ^ 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:64:1: error: previous declaration of ‘double cos(double)’ __MATHCALL (cos,, (_Mdouble_ __x)); ^ user.cpp: In function ‘int main()’: user.cpp:44:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[nod].size();++i) ^ user.cpp:47:7: error: overloaded function with no contextual type information cos=v[nod][i].cos; ^ user.cpp:48:23: error: the value of ‘D’ is not usable in a constant expression if(D[nod]+cos<D[des]) ^ user.cpp:15:15: note: ‘D’ was not declared ‘constexpr’ int i,j,P[DM],D[DM],L,H[DM],nod,t,xi,yi,xf,yf,des,cos,m[1001][1001],N,M,d[1001][1001]; ^ user.cpp:48:14: error: parse error in template argument list if(D[nod]+cos<D[des]) ^ user.cpp:48:14: error: invalid operands of types ‘int’ and ‘<unresolved overloaded function type>’ to binary ‘operator+’ user.cpp:50:19: error: invalid operands of types ‘int’ and ‘<unresolved overloaded function type>’ to binary ‘operator+’ D[des]=D[nod]+cos; ^