Data Structures · Structured skill path
Core Search & Sort Assessment & Practice
Ten-level Core Search & Sort assessment progression within Data Structures / Algorithms.
10 progressive levels · Beginner → advanced · 199 published questions
Start with the FREE entry level. PRO levels remain gated and unlock in sequence after sign-in.
Level 1
Search & Sort Fundamentals
Core Search & Sort Level 1 Assessment
beginner · 19 published questions
Level 2
Linear Search & Elementary Sorts
Core Search & Sort Level 2 Assessment
beginner · 20 published questions
Level 3
Insertion Sort & Comparison
Core Search & Sort Level 3 Assessment
beginner · 20 published questions
Level 4
Binary Search
Core Search & Sort Level 4 Assessment
beginner · 20 published questions
Level 5
Merge Sort
Core Search & Sort Level 5 Assessment
intermediate · 20 published questions
Level 6
Quick Sort
Core Search & Sort Level 6 Assessment
intermediate · 20 published questions
Level 7
Heap & Advanced Sorting
Core Search & Sort Level 7 Assessment
advanced · 20 published questions
Level 8
Advanced Binary Search
Core Search & Sort Level 8 Assessment
advanced · 20 published questions
Level 9
Search & Sort Optimization
Core Search & Sort Level 9 Assessment
advanced · 20 published questions
Level 10
Search & Sort Mastery
Core Search & Sort Level 10 Assessment
advanced · 20 published questions