Title Difficulty Companies Videos
Zero Array Transformation 1 Medium
Number of Substrings Containing All Three Characters Medium de-shaw
Alternating Groups 2 Medium
Closest Prime Numbers in Range Medium
Count Total Number of Colored Cells Medium
Check if Number is a Sum of Powers of Three Medium
Length of Longest Fibonacci Subsequence Medium amazon baidu
Maximum Absolute Sum of Any Subarray Medium
Number of Sub-arrays With Odd Sum Medium
Most Profitable Path in a Tree Medium
Construct Binary Tree from Preorder and Postorder Traversal Medium amazon bloomberg facebook google uber
Find Unique Binary String Medium
The k-th Lexicographical String of All Happy Strings of Length n Medium microsoft
Letter Tile Possibilities Medium google microsoft
Find the Punishment Number of an Integer Medium
Product of the Last K Numbers Medium google
Minimum Operations to Exceed Threshold Value 2 Medium
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 uber
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