Fintech

Block 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
14
Easy
1
Medium
9
Hard
4
Mapped to chapter
3

Array

10 problems

Easy 1

#TitleDifficultyAlso atChapter
999Available Captures for RookEasy

Medium 7

#TitleDifficultyAlso atChapter
139Word Breakalso at:IntuitAdobeAmazon Also at 17 moreArista NetworksAutodeskBloombergByteDanceCleartripDiscordeBayGoogleMetaMicrosoftMongoDBNetflixTargetToastTwilioUberVMware MediumChapter
490The Mazealso at:Snap Medium
573Squirrel SimulationMedium
969Pancake SortingMedium
1814Count Nice Pairs in an Arrayalso at:Roblox Medium
1861Rotating the Boxalso at:AmazonGoogleMeta Also at 1 moreRoblox Medium
2768Number of Black Blocksalso at:StripeRobloxX (Twitter) Medium

Hard 2

#TitleDifficultyAlso atChapter
212Word Search IIalso at:AirbnbAmazonByteDance Also at 10 moreCiscoDoorDashGoogleInstacartMetaMicrosoftSnowflakeTwo SigmaUberZoom HardChapter
699Falling SquaresHard

Misc

4 problems

Hard 2

#TitleDifficultyAlso atChapter
273Integer to English Wordsalso at:AmazonAppleCisco Also at 7 moreDelhiveryFractal AnalyticsMicrosoftPalantirRobloxSplunkZscaler Hard
2296Design a Text Editoralso at:DropboxGoogleJane Street Also at 2 moreRipplingSnap Hard