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Title	Difficulty	Videos	Companies
Rank Teams by Votes	medium	-	atlassian google
Linked List in Binary Tree	medium
Get the Second Most Recent Activity	hard	-	microsoft
Find the Longest Substring Containing Vowels in Even Counts	medium		microsoft
Longest ZigZag Path in a Binary Tree	medium	-
Maximum Sum BST in Binary Tree	hard	-	amazon
Generate a String With Characters That Have Odd Counts	easy	-	didi
Number of Times Binary String Is Prefix-Aligned	medium	-	amazon microsoft
Time Needed to Inform All Employees	medium	-	google
Frog Position After T Seconds	hard	-	google
Replace Employee ID With The Unique Identifier Problem	easy	-	point72
Find a Corresponding Node of a Binary Tree in a Clone of That Tree	easy	-	facebook
Lucky Numbers in a Matrix	easy		oracle
Design a Stack With Increment Operation	medium	-	microsoft
Balance a Binary Search Tree	medium		amazon
Maximum Performance of a Team	hard	-	citrix
Total Sales Amount by Year	hard	-
Find the Distance Value Between Two Arrays	easy	-	uber
Cinema Seat Allocation	medium	-	microsoft
Sort Integers by The Power Value	medium	-	google
Pizza With 3n Slices	hard	-	google
Create Target Array in the Given Order	easy	-	visa
Four Divisors	medium	-	capital-one
Check if There is a Valid Path in a Grid	medium	-	robinhood
Longest Happy Prefix	hard	-	google
Capital Gain-Loss	medium	-	robinhood
Find Lucky Integer in an Array	easy	-	microsoft
Count Number of Teams	medium		amazon goldman-sachs
Find All Good Strings	hard	-
Customers Who Bought Products A and B but Not C	medium	-	facebook
Count Largest Group	easy	-
Circle and Rectangle Overlapping	medium	-	google
Reducing Dishes	hard	-
Minimum Subsequence in Non-Increasing Order	easy	-
Number of Steps to Reduce a Number in Binary Representation to One	medium		amazon
Longest Happy String	medium		amazon wayfair
Stone Game III	hard	-	google
Top Travellers	easy	-	point72
String Matching in an Array	easy		amazon
Queries on a Permutation With Key	medium	-	amazon
HTML Entity Parser	medium	-	oracle
Number of Ways to Paint N × 3 Grid	hard	-	akuna-capital facebook
Find the Quiet Students in All Exams	hard	-
Minimum Value to Get Positive Step by Step Sum	easy	-
Find the Minimum Number of Fibonacci Numbers Whose Sum Is K	medium	-	google
The k-th Lexicographical String of All Happy Strings of Length n	medium		microsoft
Restore The Array	hard	-
Reformat The String	easy	-	microsoft
Display Table of Food Orders in a Restaurant	medium	-
Minimum Number of Frogs Croaking	medium	-	c3ai

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