Arcesium OA questions,
12 reported by real candidates.

Every Arcesium online assessment question candidates have reported, most recent July 2026. The pattern that shows up most: graph.

Get StealthCoderRuns invisibly during the live Arcesium OA. Under 2s to a working solution.

July 2026 (1)

Ordered Payload Release

July 2025 (4)

City Infection Number

Minimum Tunnel Crossing Time

depth first search

Product of Subset Maxima

Reconstruct the Root Stream

August 2023 (4)

Binary Tree Maximum Path Sum

Reverse First K Characters in Every 2K Block

Detect a Cycle in Directed Hate Relationships

July 2023 (1)

Robo Data Sharing Direction

February 2021 (1)

Capital Gains Tax from Trades

August 2020 (1)

K-th Character in an Infinite String

⏵ Beyond the OA

Arcesium also has 20 LeetCode problems reported from its interviews, with the topics it leans on most.

⏵ The honest play

You've seen Arcesium's questions.
Yours might be the one not on the list.

StealthCoder runs invisibly during the live screen share. It reads the problem on screen and surfaces a working solution in under 2 seconds. Works on HackerRank, CodeSignal, CoderPad, and Karat.

Try StealthCoder Does it actually work?

Arcesium OA coming up?

Invisible during screen share