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Updated weekly · Last refresh Sep 13

Top 50 memory management Interview Questions

The most frequently asked memory management questions across all roles and companies, ranked by real interview frequency. Updated daily.

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1
CodingStart here. 31 questions · ~365 min
In-Place Merge of Sorted ArraysEasy
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Recently asked

Merge two sorted Applied Materials sensor arrays in place using backward two pointers and constant extra space.

memory managementArraysApplied MaterialsathenahealthAnonymous
Buffer Overflow and MitigationsHard
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Simulate buffer overflow control-flow hijacking and determine whether ASLR or DEP blocks exploitation.

memory managementCodingArraysMicrosoft
Bitmap Block AllocatorHard
Practice

Implement bitmap block allocation and locate the first available continuous block range.

memory managementArraysData StructureseBay
Validate Parsing or Allocation RulesHard
Practice
Recently asked

Parse Hive allocation traces and validate bounds, overlaps, lifecycle errors, and reallocations with sorted intervals.

memory managementedge casesHive (CA)
Memory Allocation and FreeingMedium
Practice
Recently asked

Implement first-fit allocation and freeing of contiguous blocks while tracking active allocations in a memory array.

memory managementc++Facebook
Alloc Operation on Bit MemoryMedium
Practice

Allocate the leftmost 8-byte-aligned free segment using suffix lengths, then mark it with a unique identifier.

memory managementData StructuresByteDance
Virus Memory Consumption TimingMedium
Practice

Use an exact quadratic formula to find how many increasing memory-consuming seconds RAM can sustain.

memory managementKKeyValue
Constant-Time Lookup With Low MemoryHard
Practice

Implement a memory-conscious open-addressed lookup structure with expected O(1) updates and queries.

memory managementcachingData StructuresTessian
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2
Behavioral & Leadership3 questions · ~35 min
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3
Technical Fundamentals8 questions · ~94 min
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4
Security & Infrastructure5 questions · ~59 min
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More topics3 questions · ~35 min
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