Programmer Think

A what day January 1, 2000 is the first day of that year. So, May 4, 2000, is the first day of that year? Note: what needs to be submitted is an integer. Do not fill in any redundant content. Answer: 125 31+29+31+30+4=125 B clear code The font of Chinese characters exists in the font library. Even today, the 16 dot matrix font library is s ...

10 commonly used algorithms (8 ~ 10) 1, Dijkstra algorithm Application scenario - shortest path problem [the external chain image transfer fails. The source station may have an anti-theft chain mechanism. It is recommended to save the image and upload it directly (img-g8rjj2vk-1645791772844) (C: \ users \ Luo'xin \ appdata \ roaming \ typora ...

Seven double pointers 1.1 Foundation Collision pointer: refers to two pointers, left and right, pointing to the first element and the last element of the sequence respectively, and then the left pointer increases and the right decreases until the values of the two pointers Collide (i.e. left == right), or meet other special conditions. ...

subject Original question link Problem description thinking The advantage of differential array is that it can move the whole body by pulling one hair. By processing one position, the values of subsequent positions can be changed. The operation we are facing at this time is to process the interval, and the processing is not simply ad ...

Push domino simulation, queue and dark magic subject Arrange n dominoes in a row and erect each dominoes vertically. At the beginning, push some dominoes to the left or right at the same time. Every second, the dominoes that fall to the left push the adjacent dominoes to the left. Similarly, a domino upside down to the right will push th ...

Josephu Joseph Ring – the leading out of one-way ring linked list Josephu's problem is: let n people with numbers 1, 2,... N sit around. It is agreed that the person with number k (1 < = k < = n) will count from 1, and the person who counts to m will be listed. Its next person will count from 1, and the person who counts to m will ...

preface I believe that this article is not the first time for my classmates to see articles about HashMap. Most of the online HashMap articles are not suitable for me, so I decided to understand the source code from scratch. I will use the relatively simple logic to convince myself to understand the source code. If you are interested, please l ...

Title Description: Source: LeetCode Link: https://leetcode-cn.com/problems/er-cha-sou-suo-shu-de-di-kda-jie-dian-lcof Given a binary search tree, please find the value of the k-largest node. Example: Example 1: input: root = [3,1,4,null,2], k = 1 3 / \ 1 4 \ 2 output: 4 Example 2: input: root = [5,3,6,2,4,null, ...

catalogue 1. Storage structure and definition of single linked list storage structure Function definition Example: Student transcript 2. Function definition 2.1 initialization function 2.2 empty judgment function 2.3 destruction function 2.4 emptying function 2.5 finding table length function 2.6 search function by location 2.7} fi ...

preface Data structure is the way that computer stores and organizes data. A data structure is a collection of data elements that have one or more specific relationships with each other. In general, carefully selected data structures can bring higher operation or storage efficiency. Data structure is often related to efficient retrieval al ...