ByteDance
Online Assessment

ByteDance OA Questions [2026-2027]

43 OA problems reported by candidates who interviewed at ByteDance. Updated from 7 sources including LeetCode, 1P3A, Reddit, and more.

43 OA questions Updated May 2026 All ByteDance questions

What to expect in the ByteDance OA

Online assessments (OAs) are typically the first technical screening step at ByteDance. 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 43 questions below are reported directly by candidates who have completed the ByteDance OA. Use them to understand the difficulty level, problem types, and topics the OA focuses on.

ByteDance OA questions (43 reported)

TikTok OA: Views and Duration...

leetcode
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TikTok OA Very Hard SDE Longest Concave Subsequence...

leetcode
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TikTok | OA | Rearrange Students...

leetcode
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TikTok | OA | Maximise profit from strategy...

leetcode
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TikTok || OA question...

leetcode
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TikTok OA Backend Software Engineer 2024...

leetcode
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TikTok | OA | 11/03/2024...

leetcode
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TikTok Frontend Interview - rejected...

leetcode
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Tiktok 1.23-1.27 OA 5th Problem Discussion || No Original Pr...

leetcode
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Tiktok | OA | Q1...

leetcode
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TikTok OA...

leetcode
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Tiktok OA - Good subset of a Binary Matrix [HARD]🔥🔥🔥...

leetcode
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TIKTOK OA INTERNSHIP 2022...

leetcode
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TikTok || OA (2 Questions) ( 🥵 Hard )...

leetcode
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Tiktok | OA | Find Size 3 Inversions in a list...

leetcode
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TikTok OA | Software Engineer Internship | Nov 4 2022...

leetcode
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Tiktok OA 12-16 Dec...

leetcode
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TikTok OA 2022.1.22...

leetcode
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Tiktok | OA | Real Programmer's Game...

leetcode
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TikTok OA Find length 3 of Inversions in list...

leetcode
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TikTok Interview Question, Practical Coding, not being able ...

leetcode
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ByteDance OA...

leetcode
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Other ByteDance interview rounds

Frequently asked questions

What does ByteDance ask in their Online Assessment (OA)?
Based on 43 reported OA questions, ByteDance typically asks algorithmic coding problems in their online assessment. See the full question list above for current patterns.
How many OA rounds does ByteDance have?
Most candidates report 1-2 OA rounds at ByteDance. The OA typically includes 2-3 coding problems with a time limit of 60-90 minutes, depending on the role and team.
How hard is the ByteDance OA?
The ByteDance OA difficulty varies by role. Software engineering OA problems are typically Medium-level on LeetCode. Check the specific questions reported on this page for current difficulty patterns.

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