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Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters fo... 阅读全文
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描述： You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a ... 阅读全文
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描述 Given an array of integers, find two numbers such that they add up to a specific target number. The function twoSum should return indices of the two numbers such that they add up to the target, whe... 阅读全文
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目前我很有自知之明的把自己归为菜鸟一类，大四都要结束了也没干过什么太大的项目，最多就是跟同学合力做的大作业，电脑播放器，安卓app之类。过完今年的六月就要开始自己的研究生生涯了，于是痛下决心开始提升水平，为了记录以及督促自己，就有了写博客的想法，之前在网易博客写过几篇文章，都是学长推荐给我的PO... 阅读全文
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描述：Due to recent rains, water has pooled in various places in Farmer John's field, which is represented by a rectangle of N x M (1 =0&&py>=0&&px<n&&py... 阅读全文
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本题借鉴了别人的做题思想,主要如下/***对要扫描到的每个岛求出雷达可以安置在海岸上的区间[left,right]， *对这些区间按left从小到大排序 *从第一个区间的right点开始安置雷达，然后依次检索下一个区间， *若下一个区间完全在刚刚安置雷达的区间内（new.left>=pre.left... 阅读全文