OpenAI Interview Questions — 11 DSA Problems

7 problems with full solutions in Python, Java, C++, JavaScript, Go, Rust.

Most frequently asked OpenAI LeetCode questions for software engineering interviews.

• Design SQL (MEDIUM) — Array, Hash Table, String, Design
• Flatten Nested List Iterator (MEDIUM) — Stack, Tree, Depth-First Search, Design, Queue, Iterator
• Design Excel Sum Formula (HARD) — Array, Hash Table, String, Graph, Design, Topological Sort, Matrix
• Time Based Key-Value Store (MEDIUM) — Hash Table, String, Binary Search, Design
• Web Crawler Multithreaded (MEDIUM) — Depth-First Search, Breadth-First Search, Concurrency
• Design Memory Allocator (MEDIUM) — Array, Hash Table, Design, Simulation
• Simplify Path (MEDIUM) — String, Stack
• Flood Fill (EASY) — Array, Depth-First Search, Breadth-First Search, Matrix
• Encode and Decode Strings (MEDIUM) — Array, String, Design
• Largest Local Values in a Matrix (EASY) — Array, Matrix
• Asteroid Collision (MEDIUM) — Array, Stack, Simulation