Compilare: user.cpp: In function ‘void Citire()’: user.cpp:63:11: warning: unused variable ‘w1’ [-Wunused-variable] Nod w,w1; ^ user.cpp: In function ‘void Rezolva_a()’: user.cpp:94:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<L[k].size(); j++) ^ user.cpp: In function ‘void BFS()’: user.cpp:130:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<L[k].size(); j++) ^