# CyC2018/CS-Notes

:books: 技术面试必备基础知识、Leetcode、计算机操作系统、计算机网络、系统设计

Repository: https://github.com/CyC2018/CS-Notes
Canonical: https://ross.abutalabs.com/products/cs-notes
Homepage: http://cyc2018.xyz
License Family: other
Topics: algorithm, leetcode, interview, computer-science, system-design, java, python, cpp
Last push: 2024-08-21T09:40:10+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 3123, "days_push": 742, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases, no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 185671, forks 50786 (observed 2026-08-28T04:12:28.351586+00:00)

## What it is
A widely-used Chinese-language collection of study notes covering core computer science fundamentals, including algorithms, LeetCode solutions, operating systems, networking, databases, Java, and system design. It is primarily aimed at preparing for technical interviews.

## Use cases
- prepare for a technical interview
- study for coding interview questions
- review computer science fundamentals
- learn common leetcode problem patterns
- brush up on operating systems and networking concepts
- study java concurrency and jvm internals
- prepare for system design interviews

## When to choose
- you are preparing for software engineering interviews, especially in the Chinese tech industry
- you want a consolidated reference of CS fundamentals in one place
- you need structured notes on algorithms, databases, networking, and Java

## When to avoid
- you need an interactive coding platform with automated judge feedback
- you prefer English-language study materials
- you need up-to-date coverage of the latest interview trends, as some content may be dated

## Facets
- artifact type: learning-resource
- maturity: maintenance
- function: documentation, developer-tools
- domain: developer-tools, tutorials, education
- platform: cross-platform
- tags: interview-preparation, computer-science, leetcode, system-design, operating-systems, computer-networking, java, notes, algorithms

## Member repositories
- CyC2018/CS-Notes (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:12:28.351586+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T16:10:39.578739+00:00, confidence not recorded.
  - readme: https://github.com/CyC2018/CS-Notes (fetched 2026-08-28T04:12:28.351586+00:00, sha 4eb312feecfb)
- Data as of 2026-08-30T08:39:29.467469+00:00.