Compilare: user.cpp: In function ‘void DFS(int)’: user.cpp:124:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (poz[nod] < L[nod].size()) ^ user.cpp: In function ‘void Cerinta_2()’: user.cpp:139:11: warning: ‘j’ may be used uninitialized in this function [-Wmaybe-uninitialized] int i,j; ^ user.cpp: In function ‘void Cerinta_1()’: user.cpp:118:26: warning: ‘yf’ is used uninitialized in this function [-Wuninitialized] fout << xf << " " << yf << " " << df << "\n"; ^ user.cpp:118:13: warning: ‘xf’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << xf << " " << yf << " " << df << "\n"; ^