数据结构学习（1-1、算法定义）

一、算法导论

课程链接

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1. what is an Algorithm?

​ A set of steps or instructions for completing a task.

• Clearly defined problem statement, input, and output
• The steps in the algorithm need to be in a very specific order
• The steps also need to be distinct
• The algorithm should produce a result

2. How to evaluate an algorithm?

• Correctness

• Efficiency

  • Time Complexity

  • Space Complexity

    Big O---->O(n)评估效率的函数

Time:42:41

Data:7/10/2025