Compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:28:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < graf[start].size(); i++){ ~~^~~~~~~~~~~~~~~~~~~~ user.cpp: In function ‘void solve()’: user.cpp:45:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(graf[nod].size() > maxim){ ~~~~~~~~~~~~~~~~~^~~~~~~ user.cpp:49:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] }else if(graf[nod].size() == maxim) ~~~~~~~~~~~~~~~~~^~~~~~~~ user.cpp:41:19: warning: unused variable ‘curent’ [-Wunused-variable] int maxim = 0,curent; ^~~~~~ user.cpp:42:10: warning: unused variable ‘good’ [-Wunused-variable] bool good; ^~~~