Algorithm challenges and hiring assessments in one
Introduction
HackerRank doubles as an algorithm-practice bank and enterprise assessment platform: skill- and difficulty-graded problems, a solid judge system, and it powers many companies' online tests. Practice and hiring assessments in one loop, with SQL and regex tracks as distinctive extras.
Key Features
- Graded algorithm banks
- Enterprise online-test gateway
- SQL/regex/database tracks
- Skill certifications
- Contests and leaderboards
Pros
- Closed loop for hiring prep
- Rich specialized tracks
Cons
- Discussion community trails LeetCode
Pricing
Free for individuals; enterprise is paid.(See official site for current pricing)
FAQ
vs LeetCode?
LeetCode for CN interviews; HackerRank for foreign-company assessments.
Are certifications useful?
Yes — skill certifications link to LinkedIn.
Chinese?
English primarily.
Related Sites
Collected on lucifer.city · Reviewed by the founder