Eroare de compilare: user.cpp:6:1: error: ‘ifstream’ does not name a type ifstream f("cuplaj.in"); ^ user.cpp:7:1: error: ‘ofstream’ does not name a type ofstream g("cuplaj.out"); ^ user.cpp: In function ‘int Cupleaza(int)’: user.cpp:17:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (k=0; k<G[nod].size(); ++k) ^ user.cpp: In function ‘int main()’: user.cpp:27:5: error: ‘f’ was not declared in this scope { f>>n1>>n2>>m; ^ user.cpp:43:5: error: ‘g’ was not declared in this scope g<<nr<<'\n'; ^