Week 4 of 43
Foundation
WEEK 4 LEARNING MODULE
Problem-Solving Session: Arrays & Simulation
An intensive hands-on problem-solving session designed to test fundamentals through practical algorithmic challenges on LeetCode and Codeforces without lectures.
4 Practice Problems3 Core ConceptsVerified Curriculum: high Confidence
What You'll Learn
- ✓Deconstruct non-trivial problem statements into algorithmic steps.
- ✓Handle edge cases and array monotonicity checks with minimal auxiliary space.
- ✓Navigate Codeforces problem constraints, I/O formats, and submission guidelines.
- ✓Debug failing test cases methodically under timed conditions.
Core Concepts
Problem Decomposition
Breaking down wordy problem statements into discrete logical rules and edge case tests.
Array Monotonicity Verification
Checking if array elements are non-decreasing with at most one allowable modification.
Keyboard Row Character Mapping
Using character sets to verify if words can be typed using a single keyboard row.
Algorithms Covered
Non-decreasing Array ModificationString Length Filtering & Abbreviation
Data Structures Applied
Arrays/ListsStringsSets
Lecture Materials
Hands-On Coding & Practice Session
No formal slide deck was attached for this review week. Focus on mastering the curated practice problems and core algorithmic paradigms above.