First Move (11~18) - Code, Learn, Build
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First Move (11~18) - Code, Learn, Build

Structured, level-based technology learning paths from foundational exploration to industry mastery.

Learning Domains

  • Python Programming (Active)
  • Computer Science Core
  • Web Development
  • AI & Machine Learning

Platform Architecture

  • Level-Based Progression
  • Decoupled Content Schema
  • Modular Code Execution Engine
  • Curated Official Resources

© 2026 First Move (11~18) • CODE • LEARN • BUILD. Built with Next.js App Router.

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🏠Home/📚Courses/⚡Data Structures & Algorithms
Computer Science⭐ Advanced🎓 Industry Certificate Ready

Data Structures & Algorithms

Master asymptotic Big-O runtime analysis, tree/graph algorithms, dynamic programming, and interview problem-solving.

Modules
3
Lessons
7
Duration
~60h
Practice
9 items
Data Structures, Algorithms and Problem Solving Code
⚡
Data Structures & Algorithms
Interactive Workbenches • Real Code Verification
First Move (11~18) Certified
💡Competency Blueprint

Skills You'll Build

Develop a complete tripartite engineering profile combining deep technical execution, rigorous analytical problem solving, and professional industry collaboration.

⚙️

Technical Skills

Foundational syntax, runtime mechanisms, and domain architectures.

✓Big-O Asymptotic Analysis
✓Arrays, Strings & Two Pointers
✓Linked Lists, Stacks & Queues
✓Binary Trees & BSTs
✓Dynamic Programming & Memoization
✓Graph Traversals (BFS/DFS)
🧠

Problem Solving & Optimization

Algorithmic reasoning, performance profiling, and defensive error mitigation.

✓Pattern Recognition (Sliding Window, Fast/Slow)
✓Optimal Substructure Identification
✓Edge Case Detection
✓Trade-off Evaluation (Time vs Space)
✓Recursive Breakdown
🤝

Professional & Collaborative Engineering

Version control workflows, code review literacy, and industry documentation.

✓Clear Whiteboard Communication
✓Dry-Run Code Tracing
✓Test-Driven Edge Case Writing
✓Complexity Explanation
✓Interview Presence
🛠️Engineering Toolchain

Tools & Technologies You'll Work With

Master the exact production technologies, runtimes, development frameworks, and deployment platforms demanded by modern engineering teams.

💻
CORE

Python / Java / C++

Primary Language

Universal programming languages for implementing algorithmic solutions.

⚡
TOOL

Interactive Code Workbench

Practice Tool

In-browser code execution engine with live test suite verification and time metrics.

🐙
TOOL

Git & GitHub

Portfolio

Version control for maintaining an engineering algorithmic solution repository.

⏱️
TOOL

Complexity Profiler

Benchmarking

Real-time Big-O analysis of asymptotic execution time and peak memory consumption.

🏢Real-World Impact

Where You'll Use This

The engineering skills developed in Data Structures & Algorithms power critical digital infrastructure across diverse high-impact sectors worldwide.

🎯

Software Engineering Interviews

Crack coding assessments and live whiteboarding rounds at top tech companies and high-growth startups.

Representative Systems:
FAANG/Big Tech InterviewsStartup Engineering ChallengesCompetitive Coding
⚡

High-Performance Systems

Optimize execution time and memory consumption for high-frequency trading, game engines, and databases.

Representative Systems:
Query EnginesTrading PlatformsGame Physics Loops
🏛️

System Design Foundations

Apply graph partitioning, caching algorithms (LRU/LFU), and tree indices to distributed web architectures.

Representative Systems:
Distributed Caches (Redis)B-Tree Database IndexingGraph Routing Engines
🗺️

Network & Search Algorithms

Implement shortest path routing (Dijkstra, A*), Trie prefix autocomplete, and indexing algorithms.

Representative Systems:
Navigation Apps (GPS)Search Engine AutocompleteRecommendation Networks
🧭Signature Career Journey

The Course-to-Career Connection

Experience how every lesson, coding exercise, and tool in this course connects directly to high-impact engineering job roles. Hover or tap any stage to inspect connections.

Step 1: Course
📚

Data Structures & Algorithms

Foundational curriculum & interactive coding challenges

Data Structures & Algorithms
Step 2: Skills Built
💡

Engineering Skills

Applied technical competencies & problem solving

Big-O AnalysisTrees & GraphsDynamic Programming+2 more...
Step 3: Tools Used
🛠️

Tools & Technologies

Industry-standard frameworks, IDEs & runtimes

Python / JavaMonaco IDEComplexity Profiler+1 more...
Step 4: Application
🏢

Where It's Used

Mission-critical enterprise & cloud infrastructures

Engineering InterviewsPerformance TuningDistributed Caches+1 more...
Step 5: Careers
💼

Career Opportunities

High-demand software engineering job titles

SDE I (Software Engineer)SDE IIPerformance Engineer+1 more...
✨
Click or hover across any step above to inspect the course-to-career journey.
Connecting foundational instruction ➔ technical competencies ➔ production tools ➔ industry jobs.
Explore All Job Roles ↓
💼Career Opportunities

Industry Roles You Can Prepare For

Explore the real-world software engineering positions directly powered by Data Structures & Algorithms expertise. Review day-to-day responsibilities and core hiring prerequisites.

Entry-Level● Very High Demand

Software Development Engineer (SDE I)

Pass engineering screening rounds and build robust production application features.

Target Hiring Skills:
Data StructuresAlgorithmsJava / Python / C++Debugging
Mid-Level● Very High Demand

Software Development Engineer (SDE II)

Design modular systems, eliminate compute inefficiencies, and optimize database indexing algorithms.

Target Hiring Skills:
Advanced AlgorithmsConcurrencySystem PerformanceMicroservices
Senior● High Demand

Performance & Optimization Engineer

Specialize in squeezing millisecond performance out of mission-critical compute-bound services.

Target Hiring Skills:
Big-O OptimizationMemory LocalityProfiling ToolsC++ / Rust / Go
🚀Portfolio Portfolio Showcase

Real Projects You Can Build

Prove your mastery through production-ready software artifacts. Every project in Data Structures & Algorithms is designed to solve real-world problems and stand out on your engineering resume.

IntermediatePortfolio Grade

In-Memory Key-Value Cache with LRU Eviction

Construct a production-grade LRU cache matching Redis architecture with strict O(1) read and write time guarantees.

Skills Demonstrated:
Doubly Linked ListHash MapO(1) Get/Put OperationsConcurrency
Tools Utilized:
Java / PythonUnit Test FrameworkBenchmark Suite
Deliverable: High-speed caching library with automated eviction testing.
IntermediatePortfolio Grade

Real-Time Prefix Autocomplete Trie Engine

Build a search autocomplete service that indexes 100,000 English vocabulary words and returns the top 5 relevant completions in sub-millisecond time.

Skills Demonstrated:
Trie Data StructurePrefix TraversalPriority Queue Top-KString Indexing
Tools Utilized:
Monaco WorkbenchDictionary Dataset
Deliverable: Interactive autocomplete component with latency statistics.
AdvancedPortfolio Grade

GPS Shortest Path Urban Transit Navigator

Model a city roadmap as a directed weighted graph and compute fastest multi-stop routes factoring in traffic constraints.

Skills Demonstrated:
Graph RepresentationDijkstra AlgorithmA* Heuristic SearchMin-Heap
Tools Utilized:
OpenStreetMap Graph DataPython / Java
Deliverable: Route calculation algorithm with waypoint optimization.
🗺️Structured Progression

Visual Learning Roadmap

A carefully sequenced 6-stage engineering curriculum designed to build your knowledge incrementally from core fundamentals to interview-ready production mastery.

Roadmap Progress0%
Stage 1⏱️ ~8 hrs

Foundation

Big-O Analysis, Arrays & Strings

Core Topics & Competencies:
Time ComplexitySpace ComplexityTwo PointersPrefix Sums
Milestone: Complexity Benchmarking Suite
Stage 2⏱️ ~10 hrs

Core Structures

Linked Lists, Stacks & Queues

Core Topics & Competencies:
PointersMonotonic StacksCircular QueuesRecursion
Milestone: Expression Evaluator & Undo Stack
Stage 3⏱️ ~12 hrs

Non-Linear Structures

Binary Trees, BSTs & Heaps

Core Topics & Competencies:
Tree TraversalsPriority QueuesBalancingLowest Common Ancestor
Milestone: Autocomplete Trie & Huffman Encoder
Stage 4⏱️ ~14 hrs

Graph Theory

BFS, DFS, Dijkstra & Topological Sort

Core Topics & Competencies:
Adjacency ListsCycle DetectionShortest PathsBipartite Graphs
Milestone: Network Routing & Dependency Resolver
Stage 5⏱️ ~16 hrs

Dynamic Programming

Memoization, Tabulation & Space Optimization

Core Topics & Competencies:
1D/2D DPKnapsack PatternSubsequence MatchingState Compression
Milestone: Portfolio Resource Allocator
Stage 6⏱️ ~12 hrs

Interview Readiness

Mock Technical Rounds & Timed Challenges

Core Topics & Competencies:
Live WhiteboardingInterview StrategyEdge Case Auditing
Milestone: Comprehensive Interview Capstone
🎓

Certificate of Completion

Complete this learning path to earn your First Move (11~18) certificate.

🎓

Course Certification

Mastery Level Certification
IN PROGRESS
LESSON COMPLETION0 / 7
PORTFOLIO PROJECTS0 / 2
FINAL ASSESSMENTPassed
MASTERY SCORE0%
Missing Requirements for Certification:
  • Complete all 7 lessons (0/7 completed)
  • Complete all 2 portfolio projects (0/2 completed)
  • Score at least 80% on final assessment (current best: 0%)
  • Achieve overall course mastery of at least 80% (current: 0%)
Structured Learning Journey

Course Curriculum & Level Progression

Guided 3-tier progression taking learners from fundamental concepts to core practical engineering and production mastery.

🌱

LEVEL 1 — FOUNDATIONS

Learn absolute fundamentals, core syntax, environment setup, and fundamental logic blocks.

Module 1

Level 1: Algorithmic Complexity & Linear Data Structures

2 Lessons

Master Big-O space/time asymptotic analysis, arrays, strings, two-pointer techniques, linked lists, stacks, and queues.

1
Asymptotic Big-O Analysis & Space Complexity⚡ Coding Exercise
Analyze O(1), O(log N), O(N), O(N log N), and O(N^2) asymptotic runtime and auxiliary memory growth curves. (30 mins)
Start Lesson →
2
Linked Lists, Stacks, Queues & Two-Pointer Patterns⚡ Coding Exercise
Construct Singly/Doubly Linked Lists, Stacks (LIFO), Queues (FIFO), and solve array problems using Two-Pointers & Sliding Window. (35 mins)
Start Lesson →
🛠️

LEVEL 2 — CORE PRACTICE

Solve realistic problems, master data structures, error handling, design patterns, and mini-projects.

Module 1

Level 2: Trees, Graphs & Searching Algorithms

2 Lessons

Master Binary Search Trees (BST), Tree Traversals (In-order, Pre-order, Post-order), Graph Traversals (BFS, DFS), and Binary Search.

1
Binary Search Trees (BST) & Tree Traversals⚡ Coding Exercise
Insert, search, and delete BST nodes in O(log N) average time, and master In-order, Pre-order, and Post-order Depth-First Search traversals. (35 mins)
Start Lesson →
2
Graph Traversals: Breadth-First Search (BFS) & Depth-First Search (DFS)⚡ Coding Exercise
Represent graphs using Adjacency Lists, search shortest paths using BFS queue traversal, and explore component paths using DFS recursion stack. (40 mins)
Start Lesson →
🚀

LEVEL 3 — ADVANCED & PRODUCTION MASTERY

Apply knowledge to real software architecture, security, optimization, scale, and portfolio capstones.

Module 1

Level 3: Sorting, Heaps & Dynamic Programming

3 Lessons

Master QuickSort/MergeSort, Binary Heap Priority Queues, Dijkstra Shortest Path, and Dynamic Programming (Overlapping Subproblems & Memoization).

1
Sorting Algorithms (MergeSort, QuickSort) & Binary Heaps⚡ Coding Exercise
Compare O(N log N) sorting algorithms (MergeSort, QuickSort), and build Binary Min-Heap Priority Queues supporting O(log N) insertion/extraction. (40 mins)
Start Lesson →
2
Dynamic Programming: Memoization vs Tabulation⚡ Coding Exercise
Solve complex optimization problems by identifying Overlapping Subproblems and Optimal Substructure using Top-Down Memoization and Bottom-Up Tabulation. (45 mins)
Start Lesson →
3
Technical Interview Algorithmic Problem-Solving Framework⚡ Coding Exercise
Apply the 5-step engineering problem-solving framework: Clarify Invariants -> Trace Examples -> State Brute-Force -> Optimize with Patterns -> Write Clean Code. (45 mins)
Start Lesson →

🏆 Hands-On Portfolio Projects

INTERMEDIATE PROJECT⏱️ ~6h

Custom High-Performance Data Structure Suite

Build a standalone data structures library in code featuring dynamic arrays, Doubly LinkedLists, and HashMaps.

Open Project Blueprint & Starter Code →
ADVANCED PROJECT⏱️ ~8h

Dijkstra & A* Graph Route Optimization Engine

Build a shortest-path graph navigation engine resolving multi-city routes with Min-Heaps and A* search heuristics.

Open Project Blueprint & Starter Code →