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💟 About the author: Hello, I'm Ceylan_, You can call me CC ❣️      📝 Personal homepage: Ceylan_ Blog 🏆 Blogger information: ordinary freshmen have extraordinary dreams Column Prepare for the Blue Bridge Cup    One question per day PTA ladder race ⚡ I hope you can give me more support 😘 Progress together~ ❤️ 🌈 If helpfu ...

Must do problem sorting At 21:40 on April 11, 2021, I was very skeptical about life after the exam. I originally wanted to rely on professional courses to score points. I also expected that there would be a large number of applicants for specialized courses this year. In addition, the reform of professional courses should be simpler, but I did ...

Atlantis [line segment tree + scanline + discretization] POJ1151,ACwing247 Title: Several ancient Greek books contain descriptions of the legendary island of Atlantis. Some of them even include partial maps of the island. Unfortunately, these maps describe different areas of Atlantis. Your friend Bill must know the total area of the map. ...

Byte runout 2019 spring recruit R & D part programming question summary My name is Wang dachui. I'm the editor of a publishing house. I am responsible for proofreading the English manuscripts submitted. This job is very annoying because I have to correct countless spelling mistakes every day. However, excellent people can always find the t ...

Basic introduction of hash table Hash table (also known as hash table) is a data structure that is accessed directly according to the key value. That is, to speed up the search by mapping it to a key in the table. This mapping function is called hash function, and the array storing records is called hash table. (the bottom layer of hash table ...

Leetcode[300. Implement Trie] - prefix tree Title: Trie (pronounced like "try") or prefix tree is a tree data structure used to efficiently store and retrieve keys in string data sets. This data structure has many application scenarios, such as automatic completion and spell checking. Please implement the Trie class: Trie() Initia ...

Note: C is basically used, except that C + + uses references& Sequence table 1, The pointer can be declared as long, but it also needs to be implemented as long. #define MaxSize 50 typedef struct{ ELemType data[MaxSize]; int len; }SqList; 2, Definition of operation A data structure has many operations, but it's too difficult ...

Question 1: ASCII code [problem description] It is known that the ASCII code of capital letter A is 65. What is the ASCII code of capital letter L? [answer submission] This is a question filled in with results. You just need to calculate the results and submit them. The result of this question is one An integer. Only fill in this intege ...

Monotone queue optimization for multiple knapsack problems Warm tips: it's better to eat dessert first and then enter the dinner~ 0-1 backpack problem (dessert) https://www.acwing.com/problem/content/2/ Simple solution #include <iostream> using namespace std; const int N = 1010; int n, m; //n number of items m maximum capacit ...

The best time to buy and sell stocks II leetcode link 1. Solution Solution 1 First of all, the first idea is to find a relatively low share price to buy, and then find a relatively high share price to sell, and then repeat. Therefore, the current problem is how to determine the position of relatively low stock price and relatively high ...