You are given two linked lists representing two non-negative numbers. The most significant digit comes …

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Install Dependencies 给定软件之间安装的依赖关系，用一个二维数组表示，第一维表示依赖的序号，第二维表示依赖关系，比如要先装deps[0][0]，才能装deps[0][1]。安装时，要尽可能先安装依赖个…

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给自己的目标：[LeetCode](https://leetcode.com/ "Online Judge Platform") 上每日一题 在做题的过程中记录下解题的思路或者重要的代码碎片以便后来翻阅。 项目源码：gi…

这是悦乐书的第302次更新，第321篇原创 01 看题和准备 今天介绍的是LeetCode算法题中Easy级别的第170题（顺位题号是717）。有两个特殊字符，第一个字符可以用一个比特0表示，第二个字符可以用两个比特（1…

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