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Pocket Gems Problems
Master the most frequently asked interview questions for this company.
ID
Title
Difficulty
Topics
28
Find the Index of the First Occurrence in a String
Easy
Two Pointers
String
75
Sort Colors
Medium
Array
Two Pointers
600
Non-negative Integers without Consecutive Ones
Hard
Dynamic Programming
133
Clone Graph
Medium
Hash Table
Depth-First Search
139
Word Break
Medium
Array
Hash Table
692
Top K Frequent Words
Medium
Array
Hash Table
214
Shortest Palindrome
Hard
String
Rolling Hash
215
Kth Largest Element in an Array
Medium
Array
Divide and Conquer
269
Alien Dictionary
Hard
Array
String
772
Basic Calculator III
Hard
Math
String
285
Inorder Successor in BST
Medium
Tree
Depth-First Search
347
Top K Frequent Elements
Medium
Array
Hash Table
380
Insert Delete GetRandom O(1)
Medium
Array
Hash Table
424
Longest Repeating Character Replacement
Medium
Hash Table
String
442
Find All Duplicates in an Array
Medium
Array
Hash Table
