Compilare: user.cpp: In function ‘int citire()’: user.cpp:27:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int dfs(int)’: user.cpp:33:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<graf[nod].size();i++) ^ user.cpp:41:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^