hello-algo/docs-en/chapter_computational_complexity/index.md

---
comments: true
icon: material/timer-sand
---

# 第 2 章   Complexity Analysis

<div class="center-table" markdown>

![complexity_analysis](../assets/covers/chapter_complexity_analysis.jpg){ class="cover-image" }

</div>

!!! abstract

    Complexity analysis is like a space-time guide in the vast universe of algorithms.
   
    It leads us to explore deeply in the dimensions of time and space, in search of more elegant solutions.

## 本章内容

- [2.1 &nbsp; Evaluating Algorithm Efficiency](https://www.hello-algo.com/chapter_computational_complexity/performance_evaluation/)
- [2.2 &nbsp; Iteration and Recursion](https://www.hello-algo.com/chapter_computational_complexity/iteration_and_recursion/)
- [2.3 &nbsp; Time Complexity](https://www.hello-algo.com/chapter_computational_complexity/time_complexity/)
- [2.4 &nbsp; Space Complexity](https://www.hello-algo.com/chapter_computational_complexity/space_complexity/)
- [2.5 &nbsp; Summary](https://www.hello-algo.com/chapter_computational_complexity/summary/)