[Splay] CF809D Hitchhiking in the Baltic States

[title]CF There is a sequence with nnn length, and the value range of the third number is [l i, ri] [l_i, r_i] [Li, ri]. Find out the length of the strictly longest ascending subsequence in all possible cases.n≤3×105,ri≤109n\leq 3\times 10^5,r_i\leq 10^9n≤3×105,ri​≤109 [solutions] Consider how we usually do LIS\text{LIS}LIS, tha ...

Posted on Mon, 18 Nov 2019 12:36:00 -0500 by smitho

Ivue? Global configuration

1. Global configuration Global configuration When using iView 3, you can globally configure some properties of the component. Components take precedence over the properties set by prop, and if not, use global configuration. Transfer: for all components with floating layer, whether to place the floating layer in the body is no ...

Posted on Mon, 18 Nov 2019 11:34:00 -0500 by Nat

Annotation of MyBatis Plus to realize dynamic SQL

With MyBatis, all Dao layer methods inherit the base class basemapper < T > I. use < script > < script > script package The first way: use < script > < script > to wrap, and implement dynamic SQL like writing SQL statements in xml 1. Use the < if > < if > tag to realize fuzzy keyword sear ...

Posted on Mon, 18 Nov 2019 02:53:56 -0500 by horseygirl

The Java solution to the thirty ninth problem of leetcode -- combination sum

Given an array of candidates without repeating elements and a target number target, find out all combinations of candidates that can make the number and target. The numbers in candidates can be selected repeatedly without limit. Explain: All numbers, including target, are positive integers. A solution set cannot contain duplicat ...

Posted on Sun, 17 Nov 2019 13:45:09 -0500 by ajenkins198621

The most intimate front-end scaffold development guidance in history

Whenever you find yourself on the side of most people, it's time to stop and think. ——Mark Twain Because this part of the content is a little complicated, post the github address and video explanation address before explanation:Project source code: https://github.com/Walker-Leee/awesome-test-cliVideo explanation, please search WeCh ...

Posted on Sun, 17 Nov 2019 11:36:53 -0500 by dgx

Image preprocessing using tensorflow's own function

I. method Image reading, clipping, inverting, and changing colors involve the following functions: Read: tf.gfile.FastGFile(path,decodestyle) //Tailoring: tf.image.sample_distorted_bounding_box(image_size,bounding_boxes) tf.slice(image, bbox_begin, bbox_size) tf.image.resize_images(image, [height, width], method) //Reversal: t ...

Posted on Sun, 17 Nov 2019 10:05:28 -0500 by runner

Take a look at the new features of Java Stream

I began to try to use the new features of Java half a year ago, and I was most impressed by stream stream and Optional. Stream improves the view efficiency and makes the code look fresh. Why use streams? In order to improve the development efficiency, it has been explained in the abstract. Flow can help us operate the set efficiently. Flow can ...

Posted on Sat, 16 Nov 2019 10:49:50 -0500 by uncleronin

The first positive number missing from leetcode

Given an array of unsorted integers, find the smallest positive integer that does not appear. Example 1: Input: [1,2,0]Output: 3Example 2: Input: [3,4, - 1,1]Output: 2Example 3: Input: [7,8,9,11,12]Output: 1Explain: The time complexity of your algorithm should be O(n), and only constant level space can be used. Source: LeetCodeLink: https ...

Posted on Sat, 16 Nov 2019 10:01:41 -0500 by electrix

Android RecyclerView top suspension implementation

  sticky.gif Train of thought: The layout of every RecyclerView item (hereinafter referred to as itemUI) contains the layout of "ceiling text" (hereinafter referred to as StickyLayout). According to whether the ceiling information of the current itemA and the previous itemB is the same, it is decided whether to ...

Posted on Fri, 15 Nov 2019 14:04:55 -0500 by hammadtariq

The sum of two numbers in the first question of leetcode beat 98.11% of users' answers (C + +)

Although the topic is simple, it's not easy for me to optimize to the top 2%. I feel it's worth sharing with you   Title: Given an array of integers nums and a target value target, please find the two integers with and as the target value in the array and return their array subscripts. You can assume that each input corresponds to only one ...

Posted on Fri, 15 Nov 2019 12:46:22 -0500 by zarp