Microsoft Machine Coding Interview

Inheritance, Enums, Strategy Pattern

Search & Strategy Penalty Logic

State Pattern (Idle/Dispense)

Decorator Pattern, State Pattern, Inventory Checks, Thread-Safe Brewing

Entity Modeling, Game Loop

Scalable NxN Board & Win Strategies

Rule Engine, Hand Evaluation, Sorting, Kickers Tie-breaking

Validator Strategy & Command Move Reversal

Incrementals, RPO/RTO Logic

State, Strategy (Dispatching)

Token Bucket, Sliding Window

Strategy Formatter & Asynchronous Composite Sinks

Composite Pattern, Concurrent Read/Write Locks, Hierarchical Path Resolution

Snowflake Strategy, Clock Providers, Resilient Clock-Skew Backoffs, Thread-Safe Bitwise Math

Reflection, Annotation Logic

Nested Transactions & Command Logs

Composite Pattern, Hashing, Directed Acyclic Graph (DAG)

Query Parser, Row Storage

Dependency Graph Resolution

Chain of Responsibility & State Pattern

Min-Cash Flow, Graph Modeling

Concurrency, Interval Trees

State Pattern, Observer Pattern, Factory Method, Capacity Check

Dynamic Form Modeling

Recurring Event Expansion

Dependency Graph, Cell Eval

NDCG, Feature Engineering

Trie suggestions, Inverted Index, TF-IDF Strategy, Boolean Query Intersections

Sandbox Strategy, Observer Pattern, Thread-Safe Judge Pool, Leaderboard Aggregation

Search, Folder Hierarchy

Heartbeat, Map State

Session Management, Pub-Sub

Inverted Index, Threading

State Transitions (Open/Closed)

Token Rotation, RBAC/ABAC