Advanced Python Algorithm: Principles and Applications of the Divide and Conquer Algorithm 1. What is the divide-and-conquer algorithm? 2. Application of divide-and-conquer algorithm 2.1 Merge sort 2.2 Quick sort 2.3 Maximum subarray problem 2.4 Tower of Hanoi problem 3. Code examples 3.1 Divide and conquer algorithm for exponentiation 4. Summary The divide-and-conquer algorithm is an […]
Tag: divide
[C++ Code] Divide sugar, divide biscuits, swing sequence, greedy algorithm–Code Random Record
The essence of greed is to select the local optimum at each stage to achieve the global optimum. Simulate manually by yourself. If the simulation is feasible, you can try the greedy strategy. If it is not feasible, you may need dynamic programming. The greedy algorithm is generally divided into the following four steps: Break […]
How does SpringBoot divide databases and tables?
Reprint: https://mp.weixin.qq.com/s?__biz=MzkxNjQxODg1Mw== & amp;mid=2247487296 & amp;idx=1 & amp;sn=07da975e1700adf1a96dc1c29695fef5 & amp;chksm=c151770af626fe1cdd4 db910b6b8747920a163ff15c9195497d67d0d312d550dfabd12a5d7fc & amp ;scene=132 & amp;exptype=timeline_recommend_article_extendread_extendread_for_notrec#wechat_redirect ShardingSphere document address: https://shardingsphere.apache.org/index_zh.html The version of springBoot is: 2.7.6 <!– Introducing ShardingSphere –> <dependency> <groupId>org.apache.shardingsphere</groupId> <artifactId>shardingsphere-jdbc-core-spring-boot-starter</artifactId> <version>5.2.0</version> </dependency> I am using 5.2.0 here, so attention should be paid to the compatibility of the springBoot version. For example, we […]
Divide and conquer the backpack (solve the problem of the global backpack after replacing a single item multiple times)
Example question: Briefly describe the meaning of the question: For you n n n items, each item has Volume, Value, Quantity. You have a volume of m m m backpack. at the same time q q Ask q times, each time you ask, you will specify an item and modify its parameters (the modification is […]
Divide and conquer recursion–Linear time selection algorithm and its implementation
Foreword: In computer science, finding the kth smallest element in an array is a common problem. The conventional approach is to sort the array and then take the k-th element as the result. However, the time complexity of sorting the entire array is O(nlogn), which is not the optimal solution. This article will introduce an […]
Algorithm Class Assignment 2 OJ for Divide and Conquer
https://vjudge.net/contest/581947 A – Ultra-QuickSort Question meaning Given n unordered numbers each time, without repeating each other, ask how many necessary exchange operations are needed to make the n numbers orderly. Ideas After taking a quick look, I thought of reverse numbers, and then verified that the number of reverse numbers matched the example. However, if […]
Compose Material3 adds new vertical separator (VerticalDivider) analysis and doubts
Foreword Google released the Compose Material3 1.2.0-alpha04 version on July 28. In this version, two new components were added (modified), vertical separators and segmented buttons: Experimental Segmented Button API. Dividers now have a parameter to control orientation to support vertical dividers. This article will analyze the source code of the separator and explain a strange […]
Divide and Conquer Algorithm – Quick Sort | Merge Thought
Article directory 1. Quick sorting thinking 1. leetcode75. Color classification 2. leetcode912. Sorting arrays 3. leetcode215. The Kth largest element in an array 4. leetcode interview question 17.14. Minimum K number 2. Merger thinking 1. leetcode912. Sorting Array 2. leetcodeLCR 170. Total number of reverse-order pairs of transactions 3. Calculate the number of elements on […]
Resolving RuntimeWarning: divide by zero encountered in double_scalars
Table of Contents Solve “RuntimeWarning: divide by zero encountered in double_scalars” Problem Description Cause Analysis Solution 1. Check if the divisor is zero 2. Use try-except statement to capture warning information 3. Disable warning messages Summarize Practical application scenarios Sample code Solution”RuntimeWarning: divide by zero encountered in double_scalars” Problem Description When using Python for scientific […]
Python divides fish among five people
Five people A, B, C, D, and E went fishing together one night. They were exhausted by the early morning of the next day, so they each found a place to sleep. Three shots into the day, A wakes up first, divides the fish into five parts, throws away the extra fish, and takes his […]