Social & Media

LINE 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
1
Medium
12
Hard
2
Mapped to chapter
7

Array

9 problems

Medium 7

152Maximum Product Subarrayalso at:AdobeAmazonBloomberg Also at 13 moreByteDanceDelhiveryDeliverooGoogleJuspayLinkedInMetaMicrosoftMorgan StanleyPayPalQualcommSwiggyWayfair Medium—
253Meeting Rooms IIalso at:SnapAmazonApple Also at 15 moreAtlassianBloombergCiscoDocuSigneBayFreshworksGoogleJPMorganLyftMetaMicrosoftMorgan StanleyNetflixTwo SigmaUber MediumChapter
300Longest Increasing Subsequence★ also at:AdobeAmazonAtlassian Also at 12 moreBloombergCitadeleBayFreshworksGoogleIntuitMetaMicrosoftMorgan StanleyNVIDIAPayPalVMware MediumChapter
325Maximum Size Subarray Sum Equals kalso at:Palantir Medium—
528Random Pick with Weightalso at:SnapAmazonChime Also at 10 moreCoinbaseGoogleLinkedInMetaMicrosoftNetflixPayPalRevolutRobloxTwo Sigma Medium—
658Find K Closest Elementsalso at:DiscordAmazonAtlassian Also at 6 moreDoorDasheBayFlipkartGoogleMicrosoftSamsara Medium—
1004Max Consecutive Ones IIIalso at:SnapAmazonBloomberg Also at 4 moreGoogleLinkedInMetaMicrosoft MediumChapter

Hard 2

239Sliding Window Maximum★ also at:AdobeAmazonAutodesk Also at 20 moreBloombergByteDanceCiscoCitadelDeliverooDoorDashExpediaGoogleJPMorganJuspayLyftMetaMicrosoftMongoDBNVIDIAOYOPhonePeRobloxVMwareWayfair HardChapter
1547Minimum Cost to Cut a Stickalso at:AmazonGoogleMicrosoft HardChapter

Hash Table

3 problems

Medium 3

146LRU Cache★ also at:RedditSnapSpotify Also at 59 moreX (Twitter)AdobeAmazonAMDAppleArista NetworksAutodeskBloombergByteDanceCiscoCitadelCloudflareCREDDelhiveryDocuSignDoorDasheBayExpediaFlipkartGoogleGrowwIntelIntuitJane StreetJPMorganLinkedInLyftMetaMicrosoftMongoDBMorgan StanleyMyntraNetflixNianticNVIDIANykaaOktaOlaPalantirPayPalPhonePeQualcommRakutenRazorpayRipplingSalesforceSAPSnowflakeSplunkSwiggyTargetTeslaToastTwilioUberVisaVMwareZoomZscaler MediumChapter
166Fraction to Recurring Decimalalso at:Goldman SachsGoogle Medium—
314Binary Tree Vertical Order Traversalalso at:RedditSnapAdobe Also at 5 moreAppleBloombergByteDanceDoorDashMeta Medium—

Misc

3 problems

Easy 1

206Reverse Linked List★ also at:SnapSpotifyX (Twitter) Also at 19 moreAdobeAmazonAppleBloombergByteDanceCiscoeBayGoogleGrowwJioLinkedInMetaMicrosoftPaytmQualcommSAPTeslaVMwareYelp EasyChapter

Medium 2

19Remove Nth Node From End of Listalso at:AdobeAmazonApple Also at 8 moreByteDanceGoogleInMobiMetaMicrosoftMorgan StanleyQualcommVMware Medium—
950Reveal Cards In Increasing OrderMedium—