Compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:15:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < v[nod].size(); i ++) ~~^~~~~~~~~~~~~~~ user.cpp:14:16: warning: unused variable ‘noduri’ [-Wunused-variable] int vecin, noduri = 0, muchii = 0; ^~~~~~ user.cpp:14:28: warning: unused variable ‘muchii’ [-Wunused-variable] int vecin, noduri = 0, muchii = 0; ^~~~~~