Title Difficulty Companies Videos
Prune Unary nodes to form Full Binary Tree Medium yahoo
Egyptian Fraction Easy palantir
External Sorting of integers Medium amazon
Three-Word Additive Cryptarithmetic Solver Medium google
Check if words chain to form a circle Medium dropbox
Infinite Prime Generator Medium
Maximum of Two Numbers Without Conditionals Hard nvidia
Maximum Weight Spanning Tree Hard microsoft
Minimum and Maximum in an array with Optimal Comparisons Medium facebook
Point in Polygon Medium nvidia
Symmetric N-ary Tree Detection Easy amazon
Blackjack Optimal Strategy with Known Card Sequence Hard MIT
Custom Sort String Medium amazon facebook google uber
Find All Conflicting Appointments Easy
Maximum flow and bipartite matching Hard
Remove a vertex and all connected edges from a graph Easy
Minimum Insertion OR Deletion Steps to Make a String Palindrome Medium
Minimum Deletion Steps to Make a String Palindrome Medium
Closest Equal Element Queries Medium
Check If Digits Are Equal in String After Operations I Easy
Check If Digits Are Equal in String After Operations II Hard
Choose K Elements With Maximum Sum Medium
Concatenated Divisibility Hard
Count Beautiful Numbers Hard
Count Beautiful Splits in an Array Medium
Count Cells in Overlapping Horizontal and Vertical Substrings Medium
Count Connected Components in LCM Graph Hard
Count Covered Buildings Medium
Count Mentions Per User Medium
Count Non-Decreasing Subarrays After K Operations Hard
Count Numbers with Non-Decreasing Digits Hard
Count Partitions with Even Sum Difference Easy
Count Paths With the Given XOR Value Medium
Count Special Subsequences Medium
Count Substrings Divisible By Last Digit Hard
Design Spreadsheet Medium
Design Task Manager Medium
Digit Operations to Make Two Integers Equal Medium
DNA Pattern Recognition Medium
Eat Pizzas! Medium
Equal Sum Grid Partition I Medium
Equal Sum Grid Partition II Hard
Fill a Special Grid Medium
Find Closest Person Easy
Find Followers Count Easy
Find Invalid IP Addresses Hard
Find Minimum Cost to Remove Array Elements Medium
Find Mirror Score of a String Medium
Find Most Frequent Vowel and Consonant Easy
Find Product Recommendation Pairs Medium