手搓單鏈表【數組模擬】

單鏈表不會數組模擬的參考此博客：https://blog.csdn.net/Satur9/article/details/104072845?depth_1-utm_source=distribute.pc_relevant_t0.none-task-blog-BlogCommendFromBaidu-1&utm_source=distribute.pc_relevant_t0.none-task

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