#include <iostream> using namespace std; class Note{ public: int a; Note* son; Note(int num, Note* p) : a(num), son(p){} }; void insertSon(Note* note, int son, int farN){ Note* newNote = new Note(son, nullptr); Note* nowNote = note; while(true){ if(nowNote->a == farN){ if(nowNote->son ==...