How should I practice Maximum Concurrent Meeting Time Slots?

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

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Maximum Concurrent Meeting Time Slots

Bloomberg LP● MediumNEW GRADONSITE INTERVIEW

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Problem statement

Each meeting occupies the half-open interval [start,end). Return every maximal positive-length interval during which the global maximum number of meetings is active, ordered by time. Merge adjacent output intervals with the same maximum count.

Return an empty array when there are no meetings.

Function

maximumConcurrentSlots(meetings: int[][]) → int[][]

Examples

Example 1

meetings = [[100,300],[145,215],[200,230],[215,300],[215,400],[500,600],[600,700]]return = [[215,230]]

Four meetings are active throughout [215,230), the global maximum.

Constraints

At most 10^5 meetings.
start < end.