什么是递归？什么是递归回溯？如何使用递归？

This passage provides a description about queue and an implement for the queue in C.

This passage provides a description about stack and an implement for the stack in C.

This code provides a implement for the linkedList in C. It offers create, transverse, sort, inversion, append, insert, del and other functions of the linkedList.

ArraList in C. The CODE implements the following function: Create an ArrayList; Display an ArrayList; Inverse an ArrayList; Sort an ArrayList; Get a value in ArrayList; Get Maximum and Minimum value in ArrayList; Append / Insert / Delete value in ArrayList.