Coding Interview Patterns: Solving Word and Grid Problems — PickAClass
⏱ 2h 36m 📚 26 lessons

Coding Interview Patterns: Solving Word and Grid Problems

Learn to solve complex string, backtracking, and grid-based algorithms with step-by-step patterns for your next technical interview.

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About this course

Many developers struggle with complex technical interviews, especially when faced with string manipulation, word search, or grid-based algorithmic challenges. This text-only course demystifies these advanced coding interview patterns by breaking down the logic behind word-building games and translating them into repeatable problem-solving strategies. You will transition from guessing solutions to systematically analyzing and writing clean, optimized code for complex algorithmic problems. By studying core patterns such as backtracking, prefix trees, and depth-first search, you will build the confidence needed to tackle tough technical interview questions. What you'll learn: - Understand the fundamentals of string manipulation and grid traversal algorithms - Implement Prefix Trees to efficiently store and search dictionary words - Apply backtracking patterns to solve word-building and path-finding problems - Analyze time and space complexity to optimize your solutions for interview standards - Use modern clean coding practices and type hints to write readable, production-grade solutions - Practice translating complex problem statements into structured, step-by-step algorithms The course begins with foundational concepts of data structures and algorithmic complexity before diving into hands-on walk-throughs of classic interview problems. You will read detailed explanations, analyze structured code snippets, and learn to identify which pattern to apply in real-time. This course is designed for aspiring software engineers, computer science students, and self-taught developers preparing for technical interviews who want to master algorithmic patterns. No prior advanced algorithm experience is required, though a basic understanding of programming fundamentals is recommended. Start reading today to sharpen your problem-solving skills and master coding interview patterns.

What you'll get

  • 📜 Certificate of completion
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  • Short & focused
    2h 36m of practical content

Certificate of completion

Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.

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PickAClass
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Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Coding Interview Patterns: Solving Word and Grid Problems
Skills demonstrated
Behavioral pattern analysis
Foundational
1.2 hrs
Decision-architecture frameworks
Proficient
1.4 hrs
A/B test design
Proficient
1.7 hrs
Behavioral copywriting
Advanced
1.9 hrs
P
PickAClass — Name Surname
Coding Interview Patterns: Solving Word and Grid Problems
Page 2 of 2
Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
Verify this credential
pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Yes — full refund within 14 days, no questions asked.

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Forever. Once you purchase, the course is yours to revisit anytime.

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Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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