Compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:45:40: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < graph[node].size(); i++) ^ user.cpp: In function ‘int countConexComp()’: user.cpp:63:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^