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ZScaler

Interview Questions

24 Questions Found
#Question TitleDifficultyFrequencyTopicsLink
1Largest Number After Digit Swaps by ParityEASY100.0
SortingHeap (Priority Queue)
2Day of the YearEASY100.0
MathString
3Apply Operations to Make Sum of Array Greater Than or Equal to kMEDIUM100.0
MathGreedyEnumeration
4Maximum Strong Pair XOR IEASY100.0
ArrayHash TableBit Manipulation+2
5Maximum Strong Pair XOR IIHARD100.0
ArrayHash TableBit Manipulation+2
6Optimal Account BalancingHARD94.4
ArrayDynamic ProgrammingBacktracking+2
7Robot Bounded In CircleMEDIUM77.1
MathStringSimulation
8Find the Smallest Divisor Given a ThresholdMEDIUM69.9
ArrayBinary Search
9Two SumEASY69.9
ArrayHash Table
10Jump GameMEDIUM69.9
ArrayDynamic ProgrammingGreedy

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ZScaler Interview Questions

Preparing for a ZScaler interview? This page contains a curated collection of 24 coding and technical interview questions asked at ZScaler, sourced from real candidate experiences on LeetCode and other platforms.

The questions span a wide range of topics including Sorting, Heap (Priority Queue), Math, String, Greedy — all areas ZScaler interviewers are known to focus on. Each question is tagged by difficulty (Easy, Medium, Hard) and topic so you can prioritize your preparation effectively.

Whether you're a fresher or an experienced engineer targeting ZScaler, practicing these problems will help you understand the patterns and problem-solving approaches expected in their hiring process. Start with Easy questions to build confidence, then tackle Medium and Hard problems to sharpen your skills.

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