... (i=0; i<15; i++) { cheoxuoi = 1; cheonguoc = 1; } thu(0); } void main() { tim(); getch(); }/* Bai tap 3_67 - Quan ly hai STACK chi dung 1 day */ #include <stdio.h> #include <conio.h> ... gia tri tu stack 1 : "); while (!isempty(1)) printf("%3d", pop(1)); getch(); }/* Bai tap 3_67 - Quan ly hai STACK chi dung 1 day */ #include <stdio.h> #include <conio.h> ... in_mang(mang); binarysort(); printf("\nSau khi sap : "); in_mang(mang); getch(); }/* Bai tap 3_70 - Tim chieu cao cay */ #include <stdio.h> #include <alloc.h> typedef int...