Grind 75: Complete Guide and How It Works

Most LeetCode study plans hand you a fixed list and say "do all of these." That works if you have months of runway, but what if your interview is in two weeks? Or six weeks? Or you can only study five hours a week? Grind 75 solves this by generating a custom problem list based on the time you actually have.

Created by Yangshun Tay — the same engineer behind the original Blind 75 — Grind 75 is the evolution of the most popular coding interview study list on the internet. Instead of a static set of problems, it is a dynamic tool that prioritizes the highest-impact problems first and adjusts the total count based on your available preparation time.

Whether you are a new grad with a month to prepare or a senior engineer refreshing before a Google onsite, the grind 75 study plan meets you where you are. This guide covers exactly how it works, how it compares to other lists, and the optimal way to use it.

Grind 75 is a web-based tool at grind75.com that generates a personalized LeetCode study plan. You input two variables: how many weeks you have until your interview and how many hours per week you can dedicate to practice. The tool then outputs a curated, ordered list of problems tailored to that timeline.

The grind 75 problems list draws from the same high-quality curation that made Blind 75 famous. Every problem on the list has been selected because it appears frequently in real coding interviews at top tech companies. The difference is that Grind 75 does not stop at 75 — depending on your time input, it can generate lists ranging from 20 problems to over 150.

The tool organizes problems into weekly blocks and sorts them by a priority score that factors in interview frequency, pattern coverage, and difficulty progression. Easy problems that teach foundational patterns come first. Harder problems that build on those patterns come later. This ordering is not random — it is the result of deliberate curriculum design.

The grind 75 time based system works through a straightforward interface. You select the number of weeks you have (1 to 26) and the hours per week you can commit (1 to 40+). The algorithm then calculates how many problems you can reasonably solve in that window and selects the highest-priority subset from its master list.

Priority is determined by a weighted scoring system. Problems that appear most frequently in real interviews get the highest scores. Within the same frequency tier, problems are ordered so that foundational patterns (arrays, hash maps, two pointers) appear before advanced patterns (dynamic programming, graphs, tries). This means even if you only complete half the list, you have covered the most impactful material.

Each problem includes its LeetCode difficulty rating (Easy, Medium, Hard), the estimated time to solve it, and the data structure or pattern category it belongs to. The weekly breakdown tells you exactly which problems to tackle each week, making it easy to stay on track without overthinking your schedule.

The grind 75 vs blind 75 comparison comes up constantly in interview prep communities, and for good reason — they share the same creator but serve different needs. Blind 75 is a static list of exactly 75 problems. It never changes regardless of your timeline. Grind 75 is the adaptive successor that lets you customize the list size and ordering based on available time.

NeetCode 150 takes a different approach entirely. It is a curated list of 150 problems organized by pattern category, each with a corresponding video explanation. NeetCode 150 is comprehensive — it covers more ground than either Blind 75 or a typical Grind 75 output — but it requires significantly more time to complete.

The right choice depends on your situation. If you have a fixed two to four weeks and want a proven, no-decisions-required list, Blind 75 still works. If you want to optimize for your exact timeline, grind 75 leetcode is the better tool. If you have two to three months and want deep understanding with video walkthroughs, NeetCode 150 is the most thorough option.

The single most important rule for using grind 75 effectively: generate your list once and stick with it. The priority sorting is carefully designed so that the most impactful problems appear first. If you regenerate the list after a week because you fell behind, you lose the benefit of that ordering and risk skipping problems the algorithm ranked highly for you.

Solve problems in the exact order the tool gives you. It is tempting to skip Easy problems or jump ahead to topics that feel more interesting, but the ordering exists for a reason. Easy problems build the pattern vocabulary you need to recognize what Medium problems are actually asking. Skipping them is like skipping vocabulary lessons before a language exam.

When you finish a problem, do not just move on. Spend five minutes reviewing the pattern it tested and writing a one-sentence summary of the approach. This review step is what separates people who solve 75 problems and forget them from people who solve 75 problems and actually perform well in interviews. Spaced repetition — reviewing old problems at increasing intervals — dramatically improves long-term retention.

If you fall behind your weekly schedule, do not try to cram the missed problems into the next week. Instead, accept that you will finish fewer total problems and continue in order. The grind 75 custom schedule already front-loads the highest-value problems, so completing 60 percent of a well-ordered list beats completing 100 percent of a randomly shuffled one.

Grind 75 shines brightest when you have a known interview date and need to maximize impact within a fixed window. If your Amazon onsite is in three weeks or your Meta phone screen is in ten days, the grind 75 study plan generates exactly the right amount of material for that timeline. No guessing, no overcommitting, no wasted effort on problems you will never reach.

It is also the best option when you are returning to interview prep after a gap. Maybe you solved Blind 75 a year ago and need a refresher before a new job search. Setting Grind 75 to two weeks and eight hours per week gives you a focused review list that prioritizes the problems most likely to appear, without making you redo everything from scratch.

Teams that are prepping together also benefit from Grind 75. Everyone can generate the same configuration, work through the list in parallel, and discuss problems in order. The shared structure makes study groups more productive because everyone is working on the same problems in the same week.

The most effective interview prep does not rely on a single resource. Grind 75 excels at problem selection and prioritization — it answers the question "what should I solve and in what order?" But it does not provide explanations, video walkthroughs, or long-term retention tools. Combining it with complementary resources fills those gaps.

Use Grind 75 to generate your problem list, then look up each problem on NeetCode for the video explanation if you get stuck. NeetCode's pattern-based videos are excellent for understanding why an approach works, not just what the approach is. This combination gives you Grind 75's prioritization with NeetCode's depth.

For retention, pair your Grind 75 practice with YeetCode flashcards. After solving each problem, review the corresponding flashcard that drills the pattern, key insight, and complexity analysis. Spaced repetition through flashcards is the most research-backed method for moving solutions from short-term memory into the durable recall you need on interview day.

The complete stack looks like this: Grind 75 for selection and scheduling, NeetCode for explanations when stuck, LeetCode for actual coding practice, and YeetCode for long-term retention through spaced repetition. Each tool handles what it does best, and together they cover every aspect of effective interview preparation.