Meta OA Questions [2026-2027]
116 OA problems reported by candidates who interviewed at Meta. Updated from 7 sources including LeetCode, 1P3A, Reddit, and more.
What to expect in the Meta OA
Online assessments (OAs) are typically the first technical screening step at Meta. Candidates receive a timed coding challenge (usually 60-90 minutes) with 2-3 algorithmic problems. The OA is graded automatically and determines whether you advance to phone screens or onsite rounds.
The 116 questions below are reported directly by candidates who have completed the Meta OA. Use them to understand the difficulty level, problem types, and topics the OA focuses on.
Meta OA questions (116 reported)
Meta Online Screening Interview - E4 USA...
Meta OA...
META E3 Reject...
META | On Site | L5-7|...
META SWE E4/E5 Probably fail...
Meta | OA | Angry Frogs...
Meta OA...
Meta | PhD | ML | OA | USA...
Facebook | Online Screen | MLE...
Hard OA Question(Meta)...
Facebook | SWE internship OA | Nested Arrays...
Meta | E5 Phone Screening | USA...
Facebook | iOS Engineer | Phone Interview...
Facebook | Phone | Binary Tree Right Side View & Merge Sorte...
Facebook | Phone | Find if all numbers appear an even number...
Facebook | Phone | Valid Palindrome & Sorted Iterator...
Facebook | Video Interview | Data Engineer SQL & Python...
Facebook || OA...
Facebook | Frontend Engineer | OA | USA...
Meta | OA | Number of subarrays...
Facebook | OA 2019 | Tic-tac-toe...
Facebook | SWE Intern | Nov 2019 [Reject]...
Other Meta interview rounds
Frequently asked questions
What does Meta ask in their Online Assessment (OA)?▼
How many OA rounds does Meta have?▼
How hard is the Meta OA?▼
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