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Difficulty
Medium
Title
Difficulty
Companies
Videos
Remove All Occurrences of a Substring
Medium
Count Number of Bad Pairs
Medium
Design a Number Container System
Medium
Find the Number of Distinct Colors Among the Balls
Medium
Find All Occurrences of the Pattern in the String
Medium
microsoft
Tuple with Same Product
Medium
Maximum Number of Fish in a Grid
Medium
Make Lexicographically Smallest Array by Swapping Elements
Medium
Fix the variable capture in closure
Medium
google
Count Servers that Communicate
Medium
amazon
google
Check if a graph is minimally-connected
Medium
facebook
Describe and give an example of Ad-hoc, Parametric and Subtype polymorphism
Medium
microsoft
Map of Highest Peak
Medium
Construct Binary Search Tree BST from Postorder Traversal
Medium
google
Grid Game
Medium
Sort a linked list in O(n log n) time and constant space
Medium
google
Implement a 2D iterator class
Medium
uber
First Completely Painted Row or Column
Medium
Neighboring Bitwise XOR
Medium
Bitwise XOR of All Pairings
Medium
Minimize XOR
Medium
Generate random numbers from list based on given probabilities
Medium
triplebyte
Find the Prefix Common Array of Two Arrays
Medium
Minimum Length of String After Operations
Medium
Check if a Parentheses String Can Be Valid
Medium
Construct K Palindrome Strings
Medium
Word Subsets
Medium
amazon
facebook
google
Find nearest larger number for index in an array
Medium
google
Implement a bit array
Medium
amazon
Minimum Number of Operations to Move All Balls to Each Box
Medium
Square root of a real number
Medium
Shifting Letters II
Medium
Break a string into lines of length k without breaking words
Medium
amazon
Maximum coins from top-left to bottom-right with right or down moves
Medium
zillow
Smallest set to cover all intervals
Medium
google
microsoft
Number of Ways to Split Array
Medium
Generate a finite, but an arbitrarily large binary tree in O(1) time
Medium
jane-street
Count Vowel Strings in Ranges
Medium
Best Sightseeing Pair
Medium
wayfair
Find Largest Value in Each Tree Row Problem
Medium
amazon
apple
facebook
linkedin
microsoft
Check if one can reach the last index in a list of hops starting with index 0
Medium
pinterest
Shortest substring containing all characters in a set
Medium
square
Minimum Number of Operations to Sort a Binary Tree by Level
Medium
Reverse Odd Levels of Binary Tree Problem
Medium
Construct String With Repeat Limit
Medium
Maximum Average Pass Ratio
Medium
Continuous Subarrays
Medium
Find Score of an Array After Marking All Elements
Medium
Maximum Beauty of an Array After Applying Operation
Medium
Find Longest Special Substring That Occurs Thrice 2
Medium
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