| Valid Palindrome 4 - is string palindrome after at most 2 char replacement |
Medium
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| Active Users |
Medium
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| All the Pairs With the Maximum Number of Common Followers |
Medium
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| Bank Account Summary |
Medium
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| Binary Searchable Numbers in an Unsorted Array |
Medium
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| Change the Root of a Binary Tree |
Medium
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| Clone N-ary Tree |
Medium
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amazon
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| Count Apples and Oranges |
Medium
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| Count Nodes Equal to Sum of Descendants |
Medium
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| Count Pairs of Equal Substrings With Minimum Difference |
Medium
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| Countries You Can Safely Invest In |
Medium
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| Cutting Ribbons |
Medium
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| Design an Expression Tree With Evaluate Function |
Medium
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| Design Most Recently Used Queue |
Medium
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| Dot Product of Two Sparse Vectors |
Medium
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| Find Interview Candidates |
Medium
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| Find Root of N-Ary Tree |
Medium
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google
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| Grand Slam Titles |
Medium
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| Group Employees of the Same Salary |
Medium
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| Guess the Majority in a Hidden Array |
Medium
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google
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| Kth Smallest Subarray Sum |
Medium
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| League Statistics |
Medium
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| Leftmost Column with at Least a One |
Medium
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facebook
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| Longest Word With All Prefixes |
Medium
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| Maximum Number of Accepted Invitations |
Medium
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| Maximum Number of People That Can Be Caught in Tag |
Medium
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| Maximum Transaction Each Day |
Medium
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| Minimize Product Sum of Two Arrays |
Medium
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| Number of Calls Between Two Persons |
Medium
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| Number of Distinct Substrings in a String |
Medium
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| Put Boxes Into the Warehouse I |
Medium
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| Put Boxes Into the Warehouse II |
Medium
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| Rectangles Area |
Medium
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twitter
|
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| Shortest Path in a Hidden Grid |
Medium
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| Shortest Path to Get Food |
Medium
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| Smallest Greater Multiple Made of Two Digits |
Medium
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| Strings Differ by One Character |
Medium
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| Strong Friendship |
Medium
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| The Most Recent Orders for Each Product |
Medium
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| Widest Pair of Indices With Equal Range Sum |
Medium
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| Capital Gain-Loss |
Medium
|
robinhood
|
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| Activity Participants |
Medium
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ibm
|
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| Design A Leaderboard |
Medium
|
amazon
bloomberg
google
wayfair
|
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| Encode Number |
Medium
|
quora
|
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| Find the Start and End Number of Continuous Ranges |
Medium
|
microsoft
|
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| Number of Trusted Contacts of a Customer |
Medium
|
roblox
|
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| Remove Interval |
Medium
|
google
|
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| Smallest Common Region |
Medium
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airbnb
|
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| Synonymous Sentences |
Medium
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cruise-automation
|
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| Tree Diameter |
Medium
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amazon
facebook
google
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