大二半年的数据结构上机实验。包括链表，栈和循环队列，树，图。可供初学数据结构者上机参考。全部均可以在C-Free中运行。-Sophomore data structure on a six-month experiment. Including the list, stack and the cycle queue, tree, Fig. For beginners are on the machine data structure reference. All of which can run C-Free.