Follow a proven list
The interview lists most engineers use, solvable here with a real judge. Progress is tracked across lists, so a problem solved in one counts everywhere.
Blind 75
by Yangshun Tay (Blind, 2018)
The original must-do list shared on Blind: 75 problems that cover the core patterns interviewers ask about most.
NeetCode 150
by NeetCode
Blind 75 extended to 150 problems and grouped into 18 patterns, ordered so each pattern builds on the ones before it.
Grind 75
by Tech Interview Handbook
The Blind 75 author's updated plan: 75 problems scheduled over 8 weeks, easiest first, roughly 8 hours a week.
LeetCode 75
by LeetCode
LeetCode's official interview study plan: 75 essential problems across 22 topics, a gentler on-ramp than Blind 75.
Top Interview 150
by LeetCode
LeetCode's broader interview plan: 150 classic problems that also cover design, math and matrix questions.
Which list should I pick?
- Interview in 2–4 weeks
- Grind 75
- New to DSA
- LeetCode 75
- Covering every pattern
- NeetCode 150
- Broader, more classic set
- Top Interview 150