Introduction - If you have any usage issues, please Google them yourself
Write your own chain store queue basic computing subroutine (name unchanged) to achieve the following functions: ① Create an empty queue chain ② new chain determine whether the queue is empty ③ prompt the user to enter the " chain length of the queue " ④ according to the input of the" queue chain length " , the user is prompted by one" chain each queue element " , the completion queue chain structure ⑤ chain determine at this time whether the queue is empty ⑥ call subroutine Print this queue chain elements and the first team squad last element ⑦ write subroutines print queue chain elements PrintNode () ⑧ empty the queue for three consecutive times to do the following: four elements into the team, the team 2 elements, chain print queues, print the current queue chain elements and the first team squad last element ⑨ requirements: provide as friendly interactive interface for the user (non-programmers) use.