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Interleave Iterator (Round-Robin + Iterator Pattern)
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Build an interleaving system that round-robins across multiple integer sources. Part 1 flattens a list of arrays by taking turns; Part 2 defines an Iterator interface with list-backed and range-backed...
SWE
iterator
object-design
oop-design
queue
data-structure
medium
Frequency
Single report
Last asked
2026-02-13
Stage
onsite-coding
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