Cloudflare Interview Questions — 10 DSA Problems

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

Most frequently asked Cloudflare LeetCode questions for software engineering interviews.

• Design Circular Queue (MEDIUM) — Array, Linked List, Design, Queue
• 3Sum (MEDIUM) — Array, Two Pointers, Sorting
• 4Sum (MEDIUM) — Array, Two Pointers, Sorting
• Design a Stack With Increment Operation (MEDIUM) — Array, Stack, Design
• Reaching Points (HARD) — Math
• Design Hit Counter (MEDIUM) — Array, Binary Search, Design, Queue, Data Stream
• Number of Islands (MEDIUM) — Array, Depth-First Search, Breadth-First Search, Union Find, Matrix
• LRU Cache (MEDIUM) — Hash Table, Linked List, Design, Doubly-Linked List
• Game of Life (MEDIUM) — Array, Matrix, Simulation
• Fizz Buzz (EASY) — Math, String, Simulation