Eroare de compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:37:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<V[nod].size();i++){ ^ user.cpp: In function ‘int main(int, const char**)’: user.cpp:92:35: error: ‘sort’ was not declared in this scope sort(ord.begin(),ord.end(),cmp); ^ user.cpp:95:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<ord.size();i++){ ^