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Master Subsets & Combinations with Adaptive AI.
Master Subsets & Combinations across 14 patterns - Pure Subsets (Include / Exclude), Combinations with Sum Constraint, and Subsets / Combinations with Bitmask - guided by Leyaa's adaptive intelligence.
3Parts
14Patterns
5hEst. duration
Subsets & Combinations Course
3 - part learning journey
Pure Subsets (Include / Exclude)
4 patterns
Combinations with Sum Constraint
4 patterns
Subsets / Combinations with Bitmask
6 patterns
✦ Course Structure
Your Subsets & Combinations Journey in 3 Parts
Work through the parts in order - each one builds on the last.
Part 1: Pure Subsets (Include / Exclude)
Covers Count Number of Max Bitwise-OR Subsets, Letter Case Permutation, Subsets II (With Duplicates) and 1 more pattern.
4Patterns
View patterns
Part 2: Combinations with Sum Constraint
Covers Combination Sum II (No Reuse, Duplicates), Combination Sum III (K Numbers to N) and 2 more patterns.
4Patterns
View patterns
Part 3: Subsets / Combinations with Bitmask
Covers Count of Subsets With Sum K, Largest Divisible Subset, Matchsticks to Square and 3 more patterns.
6Patterns
View patterns
Curriculum
Everything You'll Learn
Explore every pattern in the course.

Subsets & Combinations
3 parts · 14 patternsPart 1: Pure Subsets (Include / Exclude)4 patterns
MixedPart 2: Combinations with Sum Constraint4 patterns
MixedPart 3: Subsets / Combinations with Bitmask6 patterns
MixedNot 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 14 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
Pure Subsets (Include / Exclude) → Combinations with Sum Constraint → Subsets / Combinations with Bitmask - a structured journey where each part sets you up perfectly for the next.
Subsets & Combinations
Ready to master Subsets & Combinations?
Start your journey today
Start your diagnostic now. Build mastery across all 14 patterns in under 15 minutes.
14 Patterns
Personalized roadmap





































