Cloudflare LeetCode Questions
10 questions all-time · 1 easy · 8 medium · 1 hard
| # | Problem | Difficulty | Frequency | Acceptance |
|---|---|---|---|---|
| 1 | Design Circular Queue Array, Linked List, Design, Queue | Medium | 100 | 52.6% |
| 2 | 3Sum Array, Two Pointers, Sorting | Medium | 94 | 37.1% |
| 3 | 4Sum Array, Two Pointers, Sorting | Medium | 94 | 38.2% |
| 4 | Design a Stack With Increment Operation Array, Stack, Design | Medium | 84 | 80.1% |
| 5 | Reaching Points Math | Hard | 84 | 33.6% |
| 6 | Design Hit Counter Array, Binary Search, Design, Queue, Data Stream | Medium | 75 | 69.2% |
| 7 | Number of Islands Array, Depth-First Search, Breadth-First Search, Union Find, Matrix | Medium | 70 | 62.3% |
| 8 | LRU Cache Hash Table, Linked List, Design, Doubly-Linked List | Medium | 64 | 45.2% |
| 9 | Game of Life Array, Matrix, Simulation | Medium | 56 | 71.4% |
| 10 | Fizz Buzz Math, String, Simulation | Easy | 56 | 74.4% |
How to read this list
The tabs at the top split the questions by how recently people said they were asked in interviews. "Last 30 Days" is the past month, "Last 3 Months" is the past quarter, and so on. "All Time" is every question on record for this company.
Frequency is a score from 0 to 100 for how often a question showed up in that time window. A higher number means it came up more often, so the list starts with the most common questions first. Acceptance is the share of submissions that pass on LeetCode. Click any question to open it on LeetCode.