Design Memory Allocator: coding question

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Design an allocator for n memory units that supports allocating the leftmost contiguous block of a given size and freeing all units with a given mID. The core challenge is efficiently tracking and updating free intervals and mID→allocated-interval mappings so you can find/carve the leftmost fit and merge freed segments.

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Apple
Leetcode 2502. Design Memory Allocator
Reported Jul 10, 2026 · 2 source reports
JUNIOR, MID_LEVEL
Source snapshot: Nov 12, 2026
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Apple
Design Memory Allocator
Reported date not specified · Source window: 6mo
Source snapshot: Oct 20, 2026
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OpenAI
Design Memory Allocator
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OpenAI
Design Memory Allocator
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Design Memory Allocator

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Design Memory Allocator

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