How should I practice Union of K Sorted Interval Streams?

Start by reading the full statement, solve the visible examples, then compare the pattern against related Google onsite interview problems in FastPrep.

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Problem · Intervals

Union of K Sorted Interval Streams

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Problem statement

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Examples

Example 1

streams = [[[1,3],[5,7]],[[2,4],[7,9]]]return = [[1,4],[5,9]]

The first two intervals merge into [1,4]. The intervals [5,7] and [7,9] meet at 7 and merge into [5,9].

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