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Backtracking算法通用总结

Posted on 2019-11-06 |
本文主要针对Backtracking类型的算法进行总结归纳解题模板。 P22. Generate Parentheses问题描述(难度中等)Given n pairs of parentheses, write a function to generate all combinations of w ...
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Sliding Window算法通用总结

Posted on 2019-11-01 |
本文主要针对Sliding Window类型的算法进行总结归纳解题模板,适用于大部分解决字符串子问题的算法。这里将列举一下比较有代表性的,在每个解题的代码中都标注了一些具体的模版规则。 Sliding Window Template(解题模板)Sliding Window问题模板代码: 123456 ...
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HashMap的ConcurrentModificationException

Posted on 2019-10-31 |
记录下在工作中发生的一个异常,深入源码分析观察原因,以及在之后写代码的过程中如何避免。具体的报错如下: 12345Exception in thread "main" java.util.ConcurrentModificationException at java.util.H ...
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Subarray Sum Equals K

Posted on 2019-10-31 |
问题描述(难度中等)Given an array of integers and an integer k, you need to find the total number of continuous subarrays whose sum equals to k. Example 1: 12I ...
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Diameter of Binary Tree

Posted on 2019-10-29 |
问题描述(难度简单)Given a binary tree, you need to compute the length of the diameter of the tree. The diameter of a binary tree is the length of the longest ...
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