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Master 20 Essential Patterns

Level Up YourCoding Interview Skills

Learn the patterns behind every LeetCode problem. Stop memorizing solutions, start understanding the techniques that unlock hundreds of problems.

1

Learn the Pattern

Visual explanations break down each coding pattern into easy-to-understand concepts.

2

Practice Problems

Solve curated problems with our built-in Python editor. Get instant feedback.

3

Track Progress

Earn XP, level up, and master all 20 patterns to ace your coding interviews.

Why 20 Patterns?

Everything you need to master coding interviews

Visual Learning

Beautiful animated tutorials that make complex patterns easy to understand.

Built-in Compiler

Practice with our Python compiler right in the browser. No setup needed.

Affordable

Just $4.99/month. Less than a coffee for unlimited learning.

20 Essential Patterns

Master these and you can solve 90% of coding interview problems

Two Pointers

Sliding Window

Fast & Slow Pointers

Merge Intervals

Cyclic Sort

LinkedList Reversal

Tree BFS

Tree DFS

Two Heaps

Subsets

Modified Binary Search

Top K Elements

K-way Merge

Topological Sort

Dynamic Programming

Prefix Sum

Monotonic Stack

Backtracking

Bit Manipulation

Matrix Traversal

Simple Pricing

Less than a coffee, unlimited learning

BEST VALUE

Pro Quest

$4.99/month
  • All 20 patterns unlocked
  • 100 curated problems
  • Visual tutorials & animations
  • Built-in Python compiler
  • Progress tracking & XP
  • New content monthly

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