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Instacart LeetCode Questions 2026

Browse LeetCode problems frequently asked by Instacart. Filter by difficulty and timeframe to focus your interview prep.

Last updated: 10 July 2026

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ProblemDifficultyFrequencyTopics
Check if Every Row and Column Contains All NumbersEASY
100%
ArrayHash TableMatrix
Squares of a Sorted ArrayEASY
87.5%
ArrayTwo PointersSorting
Time Based Key-Value StoreMEDIUM
87.5%
Hash TableStringBinary SearchDesign
Find First and Last Position of Element in Sorted ArrayMEDIUM
100%
ArrayBinary Search
Wildcard MatchingHARD
75%
StringDynamic ProgrammingGreedyRecursion
Average Waiting TimeMEDIUM
87.5%
ArraySimulation
Find the Length of the Longest Common PrefixMEDIUM
75%
ArrayHash TableStringTrie
Simple Bank SystemMEDIUM
62.5%
ArrayHash TableDesignSimulation
Group AnagramsMEDIUM
62.5%
ArrayHash TableStringSorting

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