Fintech

Wise 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
17
Easy
6
Medium
10
Hard
1
Mapped to chapter
4

Array

10 problems

Easy 2

977Squares of a Sorted Arrayalso at:AdobeAmazonBloomberg Also at 11 moreByteDanceCrowdStrikeDuolingoeBayGoogleInstacartMetaMicrosoftSplunkUberVMware Easy—
2451Odd String DifferenceEasy—

Medium 8

34Find First and Last Position of Element in Sorted Arrayalso at:PayPalAirtelAmazon Also at 10 moreAppleAtlassianBloombergByteDanceGoogleInstacartLinkedInMetaMicrosoftNiantic Medium—
221Maximal Squarealso at:PayPalAdobeAirbnb Also at 10 moreAmazonCitadelFlipkartGoogleMicrosoftOYOPhonePeSAPVMwareZomato Medium—
348Design Tic-Tac-Toealso at:AirbnbAmazonAtlassian Also at 4 moreDatabricksMicrosoftTeslaTwo Sigma MediumChapter
373Find K Pairs with Smallest Sumsalso at:AmazonFlipkartGoogle Also at 2 moreMetaSamsara Medium—
713Subarray Product Less Than Kalso at:AirbnbAmazonApple Also at 4 moreBloombergGoogleMetaWalmart Global Tech Medium—
918Maximum Sum Circular Subarrayalso at:AppleTwo Sigma Medium—
1570Dot Product of Two Sparse Vectorsalso at:BloombergMeta Medium—
3649Number of Perfect Pairsalso at:Visa Medium—

Misc

7 problems

Easy 4

100Same Treealso at:AmazonBloombergGoogle Also at 6 moreLinkedInMetaMicrosoftRedditSAPZoom EasyChapter
163Missing RangesEasy—
270Closest Binary Search Tree Valuealso at:DuolingoFractal AnalyticsMeta Also at 2 moreRakutenSnap Easy—
387First Unique Character in a Stringalso at:PayPalAdobeAmazon Also at 6 moreBloombergGoldman SachsGoogleMicrosoftMorgan StanleyRazorpay Easy—

Medium 2

116Populating Next Right Pointers in Each Nodealso at:AmazonBloombergCitadel Also at 4 moreGoogleMetaMicrosoftVMware MediumChapter
173Binary Search Tree Iteratoralso at:AmazonByteDanceeBay Also at 4 moreGoogleMetaMicrosoftSplunk Medium—

Hard 1

295Find Median from Data Streamalso at:PayPalAdobeAmazon Also at 16 moreAppleByteDanceCitadelDocuSigneBayFlipkartGoogleInMobiMeeshoMicrosoftNaviOktaOlaOYOUberVMware HardChapter