Eroare de compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:20:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0 ; i<g[p].size() ; i++){ ^ user.cpp: In function ‘int main()’: user.cpp:47:13: error: ‘h’ was not declared in this scope h[++h[0]]=i; ^ user.cpp:51:10: error: ‘h’ was not declared in this scope out<<h[0]<<'\n'; ^ user.cpp:54:16: error: ‘c’ was not declared in this scope out<<'\n'<<c[0]<<'\n'; ^