Python complete tutorial
  • Python Complete Tutorial
  • About this book
  • What you need to prepare
  • 1️⃣Try python for the first time
    • Install python
    • Hello world!
    • Hello world in a nutshell
    • The first simple python project
    • most useful libraries
    • Recommended websites
  • 2️⃣Data structure and basic operations
    • Python data structure
    • Data structure without hash table
    • Data structure with hash table
    • Variability and address
    • basic python programming
    • basic python programming 2
    • basic python programming 3
    • some additions
    • Fibonacci sequence
    • Judging prime numbers
    • txt/csv file operation
  • 🐍Practice program
    • 🚩fancy print
    • 🚩Remove duplicate elements
    • 🚩Palindrome detection
  • 😎leetcode
    • what is leetcode
  • 3️⃣Data mining and machine learning
    • What is data mining
    • iris data set
    • Mean median mode
    • Harmonic mean
    • Histogram
    • Correlation algorithm
    • Gaussian distribution data set
    • projection
    • PCA
    • MDS
    • Bayesian and Frequentist
    • Data normalization
    • binary SVM
    • One Hot Encoding
    • Multi-class SVM
    • Accuracy and error rate
    • Confusion matrix & Accuracy, Precision, Recall
    • F1 score
    • ROC and AUC
  • 4️⃣big data and data visualization
    • line chart
    • Parallel coordinates
    • Histogram chart
  • 5️⃣Mathematical algorithm and digital signal processing
    • Mathematical constants and basic operations
    • Normal distribution
    • Permutation and combination
    • Bernoulli distribution
    • Chaotic system
  • 6️⃣Classes and design patterns
    • Classes and design patterns
  • 7️⃣Operate the database with python
    • MySQL
      • Install MySQL
      • First try MySQL
      • MySQL Architecture
      • database operations
      • database
  • 8️⃣Cryptography
    • beginning of Cryptography
  • 9️⃣deep learning
    • What is Deep Learning
    • basic
  • 💔algorithm
    • Algorithms and Data Structures
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  1. algorithm

Algorithms and Data Structures

Algorithms and Data Structures

Algorithms and data structures are very hard parts of all programming.

But algorithms and data structures are the most important parts of all programming. When you are programming, you will inevitably encounter such a problem: Now there are students in a class, everyone has names, ages, grades, how should I store these data? If I need to rank all students by grades, what should I do?

These all require data structures to be stored and sorted by algorithms. Different endings will take up computer resources of different sizes, including memory size, hard disk size, calculation amount and calculation time.

We hope that the amount of calculation is small, the resources occupied are small, and the program is simple and not prone to errors.

That's what this chapter is about.

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Start time of this page: January 9, 2022

Completion time of this page: January 11, 2022

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