Eroare de compilare: main.cpp:21:7: error: ISO C++ forbids declaration of 'nod' with no type [-fpermissive] nod(){ ^ main.cpp: In member function 'int node::nod()': main.cpp:24:3: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'bool bfs(int)': main.cpp:39:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<g.size();++i){ ~^~~~~~~~~ main.cpp: In function 'int dfs(int, int)': main.cpp:62:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int &i=g[nod].ptr;i<g[nod].vec.size();++i){ ~^~~~~~~~~~~~~~~~~~ Non zero exit status: 1