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Title	Difficulty	Videos	Companies
3Sum0 - Find three elements in an array that sum to a zero	medium		adobe akuna-capital alibaba
3Sum - Closest	medium	-	adobe amazon apple
4Sum	medium	-	adobe amazon apple
Group Anagrams	medium		adobe affirm amazon
Merge Overlapping Intervals	medium		adobe alibaba amazon
Dutch National Flag DNF	medium		amazon apple bloomberg
Merge Two Sorted Arrays	easy	-	adobe amazon apple
Sort a Linked List	medium	-	adobe amazon bytedance
Largest Number From Given Numbers	medium		amazon apple bytedance
Kth Largest Element in an Array	medium	-	adobe airbnb alibaba
Contains Duplicate 1 - Check if array has duplicates	easy		adobe airbnb amazon
Majority Element 2 - With n by 3 definition	medium	-	adobe amazon apple
Valid Anagram	easy		amazon apple bloomberg
Meeting Rooms 1 - Can person attend all meetings	easy		amazon bloomberg facebook
Maximum Intervals Overlap Count	medium		amazon apple atlassian
Missing Number	easy		adobe amazon apple
H-Index	medium	-	adobe bloomberg facebook
Wiggle Sort 1	medium	-	airbnb amazon facebook
Find Median from Data Stream	hard		adobe amazon apple
Best Meeting Point	hard	-	amazon facebook google
Binary Tree Traversal - Vertical Order Traversal	medium	-	adobe amazon bloomberg
Wiggle Sort 2 - No Adjacent Duplicates	medium	-	airbnb akuna-capital facebook
Top K Frequent Elements	medium		amazon apple bloomberg
Intersection of Two Arrays 1 - Unique Elements	easy		amazon apple bloomberg
Intersection of Two Arrays 2 - Duplicates allowed	easy	-	amazon apple bloomberg
Rearrange String k Distance Apart	hard	-	amazon ebay facebook
Sort Transformed Array	medium	-	facebook google
Kth Smallest Element in a Sorted Matrix	medium	-	adobe amazon apple
Queue Reconstruction by Height	medium	-	amazon apple bloomberg
Third Maximum Number	easy	-	amazon bloomberg facebook
Non-overlapping Intervals	medium		amazon apple bloomberg
Sort Characters By Frequency	medium	-	amazon bloomberg expedia
Minimum Number of Arrows to Burst Balloons	medium	-	amazon facebook google
Valid Triangle Number	medium	-	amazon bloomberg expedia
Task Scheduler	medium	-	amazon apple bloomberg
Maximum Product of Three Numbers	easy	-	amazon apple bloomberg
Smallest Range Covering Elements from K Lists	hard	-	amazon apple facebook
Design Search Autocomplete System	hard	-	amazon apple bloomberg
Maximum Length of Pair Chain	medium	-	amazon bloomberg facebook
Find K Closest Elements	medium	-	amazon apple bloomberg
Top K Frequent Words	medium	-	adobe amazon apple
Accounts Merge	medium	-	amazon apple bloomberg
Number of Atoms	hard	-	adobe amazon bytedance
Employee Free Time	hard	-	airbnb amazon bloomberg
Reorganize String	medium	-	amazon apple ebay
Custom Sort String	medium	-	amazon facebook google
Number of Matching Subsequences	medium	-	amazon facebook google
Friends Of Appropriate Ages	medium	-	facebook
Groups of Special-Equivalent Strings	medium	-	facebook
Sort Array By Parity	easy	-	amazon apple cisco

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