Coding·60 minMembers

Phone Screen: Number of Islands (Plain and Streaming)

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Very common phone-screen prompt, equivalent to LeetCode 200. Some loops dress it up as a virus-spread / infected-zone variant (LC 994 style) or extend it into a streaming Number of Islands II (LC 305)...

SWE

MLE

graph

bfs

dfs

union-find

medium

Frequency

Medium

Last asked

2026-09-29

Stage

phone-screen · onsite-coding

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