/in/foo.cc: In function 'void Dfs2(int, int)':
/in/foo.cc:44:31: error: too many arguments to function 'void Dfs2(int, int)'
  if(son[u]) Dfs2(son[u], u, tp);
                               ^
/in/foo.cc:42:6: note: declared here
 void Dfs2(int u, int tp){
      ^~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:64:24: error: too many arguments to function 'void Dfs1(int)'
  deep[1] = 1, Dfs1(1, 0), Dfs2(1, 1);
                        ^
/in/foo.cc:29:6: note: declared here
 void Dfs1(int u){
      ^~~~