## Simple implementation of dictionary tree, prefix tree and Trie tree [insert, search and find prefix]

Simple implementation of dictionary tree, prefix tree and Trie tree [insert, search and find prefix] 1.Trie tree Trie tree, namely prefix tree, also known as word lookup tree and dictionary tree, is a tree structure and a variant of hash tree. The typical application is to count and sort a large number of strings (but not limited to strings), ...

Posted by Courbois on Fri, 04 Mar 2022 21:07:43 +0100

## Maze box four color theorem digital grouping problem solution

1. Maze Title Description Recently, little Y is playing a maze game. The game is played on an n * m grid. Each grid may be an open space or an obstacle. At the beginning of the game, the character controlled by the player is located in an open space in the figure. During the game, players can use the up, down, left and right keys to control ...

Posted by ryanhowdy on Fri, 04 Mar 2022 21:02:52 +0100

## The first game of the 12th Blue Bridge Cup 2021 provincial competition (group A of Java University)

Placeholder #A multiplication Total score of this question: 5 points Problem description   Xiaolan found that he would 1 1 1 to 1000000007 1000000007 Different numbe ...

Posted by Aethaellyn on Fri, 04 Mar 2022 20:55:45 +0100

## List of python algorithms

List of python algorithms Basic Usage car = ['audi','bmw','benchi','lingzhi'] Create a list of numbers numbers = list(range(1,4)) >>> print(numbers) [1, 2, 3] Access values in the list car = ['audi','bmw','benchi','lingzhi'] >>> print(car[0].title()) Audi >>> print(car[2].title()) Benchi #The title() method ...

Posted by wildncrazyath3rt on Fri, 04 Mar 2022 19:34:38 +0100

## orm framework mybatis plus (Spring boot + Gradle installation and introduction) [2022]

preface The reason for writing this article is that because the software version iterates too fast, many tutorials on the Internet are no longer appropriate, and many commands don't quite understand their meaning. Official course Portal My version information java 17.0.1 (later modified to 8, if there is any difference, it will be noted in ...

Posted by dannymm on Fri, 04 Mar 2022 18:11:34 +0100

## Huawei machine test questions 1-10

Length of the last word of the string #include<stdio.h> #include<string.h> const int maxn=5010; int main(){ char str[maxn]; gets(str); int len=strlen(str); int num=0; for(int i=len;i>=0;i--){ if(str[i]!=' '&& str[i]!='\0') num++; else if(str[i]=='\0') continue; else break; ...

Posted by micksworld on Fri, 04 Mar 2022 17:09:12 +0100

## Python quick sort idea and template to solve the quick sort of the K-th largest element in the Leetcode215 array

Recommend a blog post with a clear idea of quick sorting: https://blog.csdn.net/jiangtianjiao/article/details/88929408 The contents are as follows: basic thought Select a benchmark number and divide the data to be sorted into two independent parts through one-time sorting. All data in one part is smaller than all data in the other part. Then qu ...

Posted by toms100 on Fri, 04 Mar 2022 15:22:52 +0100

## resample method and code notes of Python SimpleItk Library

Note: some pits explored on resample and the simple method of final discovery Requirements: there are already registered CT and PET images, and the gold standard label is drawn on CT, so there are some simple requirements. One is to resample the PET image to the same size as the CT image (for example, from 192) × one hundred and ninety-tw ...

Posted by rubing on Fri, 04 Mar 2022 11:59:14 +0100

## Binary tree data structure

Binary tree data structure A tree whose element has at most 2 children is called a binary tree. Because each element in a binary tree can only have two children, we usually name them left and right children. The binary tree node contains the following parts. dataPointer to left childPointer to the right child Binary tree includes: Full bi ...

Posted by phorman on Fri, 04 Mar 2022 11:57:41 +0100

## cs61b experimental record HW4 a * search algorithm

cs61b experimental record (VI) HW4 A* search algorithm Specifically, given an object of type WorldState, our solver will take that WorldState and find a sequence of valid transitions between world states such that the puzzle is solved. all puzzles will be implementations of the WorldState interface, given below public interface WorldState { ...

Posted by Rochtus on Fri, 04 Mar 2022 11:02:07 +0100