一本动画图解、一键运行的数据结构与算法教程，提供纸质书、网页版和PDF版三种阅读方式，内容同步更新。
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《Hello 算法》纸质版已于近期发行，现支持三种阅读方式（纸质书、网页版、PDF 版，三者内容同步），读者可按照喜好选取。纸质书介绍：https://www.hello-algo.com/chapter_paperbook/
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