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【Leetcode_easy】993. Cousins in Binary Tree
problem 993. Cousins in Binary Tree 参考 1. Leetcode_easy_993. Cousins in Binary Tree; 完 ...
分类:其他好文   时间:2019-08-07 19:16:28    阅读次数:68
【Leetcode_easy】977. Squares of a Sorted Array
problem 977. Squares of a Sorted Array solution: 参考1. Leetcode_easy_977. Squares of a Sorted Array; 完 ...
分类:其他好文   时间:2019-08-07 19:05:06    阅读次数:64
【Leetcode_easy】970. Powerful Integers
problem 970. Powerful Integers solution: 参考 1. Leetcode_easy_970. Powerful Integers; 完 ...
分类:其他好文   时间:2019-08-07 18:49:53    阅读次数:87
Level of Qustion:Record the difficult level of Problem For future review
Level of Qustion:Finish: * easily** trouble(麻烦)***hard(Need check book or other information)Not:+ easy understand&after look can code by myself++ hard ...
分类:其他好文   时间:2019-08-06 14:18:52    阅读次数:120
手把手教你如何用java8新特性将List中按指定属性排序,过滤重复数据
在java中常常会遇到这样一个问题,在实际应用中,总会碰到对List排序并过滤重复的问题,如果List中放的只是简单的String类型过滤so easy,但是实际应用中并不会这么easy,往往List中放的是一个类,类中有多个属性,要过滤重复数据,而且这个重复数据要按自己指定的属性过滤,但是要想按照 ...
分类:编程语言   时间:2019-08-06 13:51:48    阅读次数:104
(Easy) Flipping an Image LeetCode
Description: Given a binary matrix A, we want to flip the image horizontally, then invert it, and return the resulting image. To flip an image horizon ...
分类:其他好文   时间:2019-08-06 00:57:43    阅读次数:129
PAT甲级——A1067 Sort with Swap(0, i)
Given any permutation of the numbers {0, 1, 2,..., N?1}, it is easy to sort them in increasing order. But what if Swap(0, *) is the ONLY operation tha ...
分类:其他好文   时间:2019-08-06 00:27:47    阅读次数:128
(Easy) Occurences After Bigram LeetCode
Description: Given words first and second, consider occurrences in some text of the form "first second third", where second comes immediately after fi ...
分类:其他好文   时间:2019-08-05 23:07:05    阅读次数:132
(Easy) Robot Return to Origin LeetCode
Description here is a robot starting at position (0, 0), the origin, on a 2D plane. Given a sequence of its moves, judge if this robot ends up at (0, ...
分类:其他好文   时间:2019-08-05 19:06:21    阅读次数:95
【LEETCODE】65、字符分类,medium&easy级别,题目:20、647、3
今天的字符类还比较简单 ...
分类:其他好文   时间:2019-08-04 19:38:20    阅读次数:76
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