Marketplace & Mobility

Instacart interview questions

Grouped by topic, sorted Easy → Medium → Hard, then by LeetCode ID. Click a problem to open it on LeetCode; the chapter column links to the handbook chapter that covers it.

Problems
15
Easy
4
Medium
8
Hard
3
Mapped to chapter
5

Array

12 problems

Easy 4

35Search Insert Positionalso at:AdobeAmazonBloomberg Also at 4 moreDuolingoGoogleMetaMicrosoft EasyChapter
121Best Time to Buy and Sell Stockalso at:LyftRakutenTarget Also at 39 moreToastUberAdobeAirtelAmazonAppleAtlassianBloombergByteDanceCiscoCitadelCoinbaseFlipkartGoldman SachsGoogleGrowwIntuitJioJPMorganMetaMicrosoftMorgan StanleyMyntraNetflixNVIDIAOlaPayPalPhonePeRobinhoodSAPSnapSwiggyTeslaTiger AnalyticsTwo SigmaVisaVMwareWalmart Global TechZoho Easy—
977Squares of a Sorted Arrayalso at:UberAdobeAmazon Also at 11 moreBloombergByteDanceCrowdStrikeDuolingoeBayGoogleMetaMicrosoftSplunkVMwareWise Easy—
2133Check if Every Row and Column Contains All NumbersEasy—

Medium 7

34Find First and Last Position of Element in Sorted Arrayalso at:AirtelAmazonApple Also at 10 moreAtlassianBloombergByteDanceGoogleLinkedInMetaMicrosoftNianticPayPalWise Medium—
36Valid Sudokualso at:SamsaraAdobeAmazon Also at 10 moreAppleAutodeskBloombergGoogleMetaMicrosoftPayPalSnapVMwareZoho MediumChapter
56Merge Intervalsalso at:DoorDashExpediaTarget Also at 46 moreToastUberYelpAdobeAirtelAmazonAMDAppleAtlassianAutodeskBloombergByteDanceCars24CiscoCitadelCrowdStrikeDatabricksDocuSignDropboxeBayFlipkartGoldman SachsGoogleJuspayMetaMicrosoftMorgan StanleyNetflixOktaOYOPalantirPayPalPhonePeQualcommRazorpayRipplingRobloxSAPSnapTeslaVisaVMwareWalmart Global TechX (Twitter)ZohoZomato MediumChapter
435Non-overlapping Intervals★ also at:AmazonBloombergGoogle Also at 1 moreMeta MediumChapter
452Minimum Number of Arrows to Burst Balloonsalso at:BloombergGoogleMicrosoft Medium—
1353Maximum Number of Events That Can Be Attendedalso at:AmazonMicrosoftPayPal Also at 2 moreSnowflakeZoho Medium—
1701Average Waiting TimeMedium—

Hard 1

212Word Search IIalso at:AirbnbDoorDashUber Also at 10 moreAmazonBlockByteDanceCiscoGoogleMetaMicrosoftSnowflakeTwo SigmaZoom HardChapter

Misc

3 problems

Medium 1

981Time Based Key-Value Storealso at:AirbnbLyftUber Also at 14 moreAmazonAppleBloombergCars24CoinbaseCrowdStrikeDatabricksGoogleMicrosoftMongoDBNetflixOpenAIPalantirVMware Medium—

Hard 2

44Wildcard Matchingalso at:AdobeAmazonBloomberg Also at 8 moreByteDanceGoogleInMobiMicrosoftSnapTwo SigmaX (Twitter)Zoho Hard—
65Valid Numberalso at:AdobeAmazonLinkedIn Also at 1 moreMeta Hard—