Compilare: main.cpp: In function 'void dfs(int)': main.cpp:15:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<L[nod].size();i++){ ~^~~~~~~~~~~~~~ main.cpp:14:9: warning: unused variable 'maxim' [-Wunused-variable] int maxim = 0, maxim2 = 0; ^~~~~ main.cpp:14:20: warning: unused variable 'maxim2' [-Wunused-variable] int maxim = 0, maxim2 = 0; ^~~~~~