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Master Challenge Problems with Adaptive AI.
Master Challenge Problems across 20 patterns - Linear Structures (Weeks 1-2 Hardest), Search & Enumeration (Weeks 3-4 Hardest), DP Hardest (Week 5), Mastery Hardest (Week 6) - guided by Leyaa's adaptive intelligence.
4Parts
20Patterns
5hEst. duration
Challenge Problems Course
4 parts
Linear Structures (Weeks 1-2 Hardest)
5 patterns
Search & Enumeration (Weeks 3-4 Hardest)
5 patterns
DP Hardest (Week 5)
5 patterns
Mastery Hardest (Week 6)
5 patterns
✦ Course Structure
Challenge Problems in 4 Parts
Work through the parts in order - each one builds on the last.
Part 1: Linear Structures (Weeks 1-2 Hardest)
Covers Alien Dictionary, Binary Tree Maximum Path Sum, Largest Rectangle in Histogram and 2 more patterns.
5Patterns
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Part 2: Search & Enumeration (Weeks 3-4 Hardest)
Covers Expression Add Operators, Find Median from Data Stream, Median of Two Sorted Arrays and 2 more patterns.
5Patterns
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Part 3: DP Hardest (Week 5)
Covers Best Time to Buy Sell IV (K Transactions), Burst Balloons, Edit Distance and 2 more patterns.
5Patterns
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Part 4: Mastery Hardest (Week 6)
Covers LFU Cache, Maximum XOR With Element From Array, Palindrome Pairs and 2 more patterns.
5Patterns
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Curriculum
Everything You'll Learn
Explore every pattern in the course.
Challenge Problems
4 parts · 20 patternsPart 1: Linear Structures (Weeks 1-2 Hardest)5 patterns
MixedPart 2: Search & Enumeration (Weeks 3-4 Hardest)5 patterns
MixedPart 3: DP Hardest (Week 5)5 patterns
MixedPart 4: Mastery Hardest (Week 6)5 patterns
Mixed
Why LeyaaNot just a course. A learning intelligence.
Leyaa doesn't just deliver content - it understands where you are, what you need, and how to get you there fastest.
Adaptive Diagnostics
Leyaa identifies which of the 20 patterns you've mastered and which need work - before you waste time on what you already know.
Pattern-Level Precision
Every pattern gets a verdict - Learn, Practice, or Skip - so your study time goes exactly where it counts.
Intelligent Pacing
Leyaa reads your velocity across the whole course and adapts your focus list dynamically, keeping you in the optimal learning zone.
Before & After Visibility
Every assessment creates a snapshot. Retake anytime to see exactly how much you've grown - pattern by pattern.
Learner Autonomy
Leyaa recommends, never restricts. Override any suggestion and explore at your own pace - the system tracks everything regardless.
Clear Learning Path
Linear Structures (Weeks 1-2 Hardest) → Search & Enumeration (Weeks 3-4 Hardest) → DP Hardest (Week 5) → Mastery Hardest (Week 6) - a structured journey where each part sets you up perfectly for the next.
Challenge Problems
Ready to master Challenge Problems?
Start your journey today
Start your diagnostic now. Build mastery across all 20 patterns in under 15 minutes.
20 Patterns
Personalized roadmap
