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CodingLevel 2

Searching and sorting

Easy

Medium

Hard

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StatusFormatCompany style

Easy

Intersection of two sorted arraysWrite codeWrite code15 min Integer square rootWrite codeWrite code15 min Symmetric differenceWrite codeWrite code11 min Return the k highest server loadsWrite codeWrite code10 min K shortest waitsWrite codeWrite code10 min Sum of k largestWrite codeWrite code10 min K-th largest elementWrite codeWrite code12 min Merge sorted rostersWrite codeWrite code12 min Last remaining valueWrite codeWrite code12 min Scan schedule with gapsWrite codeWrite code13 min Two-item calorie pairWrite codeWrite code11 min Merge sorted logsWrite codeWrite code11 min

Medium

Partition labels by character occurrenceWrite code · Amazon styleAmazon styleWrite codeAmazon style20 min Two sum closest to targetWrite codeWrite code20 min Largest number from concatenationWrite code · Amazon styleAmazon styleWrite codeAmazon style25 min Shortest unsorted subarrayWrite codeWrite code25 min K most frequent elementsWrite code · Meta styleMeta styleWrite codeMeta style25 min Accept language parsingWrite code · Stripe styleStripe styleWrite codeStripe style20 min Front coding decoderWrite code · Google styleGoogle styleWrite codeGoogle style25 min Sparse index lookupWrite code · Google styleGoogle styleWrite codeGoogle style25 min Order by limit NWrite code · Snowflake styleSnowflake styleWrite codeSnowflake style25 min Maximize capital with projectsWrite codeWrite code25 min Merge IPv4 address rangesWrite code · Cisco styleCisco styleWrite codeCisco style22 min Multi-key sortWrite codeWrite code20 min

Hard

Sort linked listWrite code · Microsoft styleMicrosoft styleWrite codeMicrosoft style35 min Tiny query engineWrite code · Snowflake styleSnowflake styleWrite codeSnowflake style35 min Sort-merge inner joinWrite code · Snowflake styleSnowflake styleWrite codeSnowflake style35 min Sliding window medianWrite code · Google styleGoogle styleWrite codeGoogle style35 min Smallest repunit baseWrite codeWrite code35 min Minimize array maximumWrite codeWrite code35 min Smallest range from k listsWrite code · Google styleGoogle styleWrite codeGoogle style38 min Calendar max bookingsWrite code · Google styleGoogle styleWrite codeGoogle style30 min Merge k schedulesWrite code · Google styleGoogle styleWrite codeGoogle style30 min Skyline contourWrite code · Google styleGoogle styleWrite codeGoogle style40 min Rectangle union areaWrite code · Google styleGoogle styleWrite codeGoogle style40 min Significant inversionsWrite code · Citadel styleCitadel styleWrite codeCitadel style30 min