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Title	Difficulty	Videos	Companies
Last Substring in Lexicographical Order	hard	-	goldman-sachs mathworks roblox
Product Price at a Given Date	medium	-
Single-Row Keyboard	easy	-	google
Design File System	medium	-	airbnb amazon
Minimum Cost to Connect Sticks	medium	-	amazon google
Optimize Water Distribution in a Village	hard	-	google yahoo
Invalid Transactions	medium	-	bloomberg
Compare Strings by Frequency of the Smallest Character	medium	-	google oracle
Remove Zero Sum Consecutive Nodes from Linked List	medium	-	uber amazon
Dinner Plate Stacks	hard	-	amazon bytedance
Immediate Food Delivery I	easy	-	doordash
Immediate Food Delivery II	medium	-	doordash
Prime Arrangements	easy	-	amazon
Diet Plan Performance	easy	-	amazon
Number of Valid Words for Each Puzzle	hard	-	dropbox
Reformat Department Table	easy	-	amazon google
Count Substrings with Only One Distinct Letter	easy	-	virtu
Before and After Puzzle	medium	-	clutter
Shortest Distance to Target Color	medium	-	google
Maximum Number of Ones	hard	-	qualcomm
Distance Between Bus Stops	easy	-	google
Day of the Week	easy	-	microsoft united-health-group
Maximum Subarray Sum with One Deletion	medium	-	two-sigma
Make Array Strictly Increasing	hard	-
Design Bounded Blocking Queue	medium	-	amazon bloomberg cloudera
Maximum Number of Balloons	easy	-	tesla wayfair
Reverse Substrings Between Each Pair of Parentheses	medium	-	adobe oracle postmates
K-Concatenation Maximum Sum	medium	-
Critical Connections in a Network	hard	-	adobe amazon google
Monthly Transactions I	medium	-	wayfair wish
Tournament Winners	hard	-	wayfair
Fizz Buzz Multithreaded	medium	-
How Many Apples Can You Put into the Basket	easy	-	virtu
Minimum Knight Moves	medium	-	amazon apple facebook
Find Smallest Common Element in All Rows	medium	-	amazon microsoft
Minimum Time to Build Blocks	hard	-	google
Minimum Absolute Difference	easy	-	audible
Ugly Number III	medium	-	american-express
Sort Items by Groups Respecting Dependencies	hard	-	google
Last Person to Fit in the Bus	medium	-	wayfair
Monthly Transactions II	medium	-	wish
Design Skiplist	hard	-	ebay google microsoft
Unique Number of Occurrences	easy	-	google
Get Equal Substrings Within Budget	medium		traveloka
Remove All Adjacent Duplicates in String 2	medium	-	bloomberg facebook factset
Minimum Moves to Reach Target with Rotations	hard	-	kakao
Queries Quality and Percentage	easy	-	facebook
Team Scores in Football Tournament	medium	-	oracle wayfair
Intersection of Three Sorted Arrays	easy	-	facebook tripadvisor
Two Sum BSTs	medium	-	amazon

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