Pocket Gems interview questions¶
The most frequent LeetCode problems tagged to Pocket Gems. This is a data-only page. For process and behavioral prep, use the coding guide and behavioral guide.
Based on 0 distinct problems tagged to Pocket Gems in the last 6 months (0 in the last 30 days, 0 in the last 3 months, 15 all-time) across two open datasets of LeetCode company tags. Tags are user-reported, so treat frequency as a signal, not a promise.
Most frequent problems¶
Ranked by frequency, weighted toward the last 30 days. Classics like Two Sum sit near the top of almost every company's list because users tag them everywhere. Solve those fast. The signature list below is more specific to this company.
| # | Problem | Difficulty | Last seen | Topics |
|---|---|---|---|---|
| 1 | Alien Dictionary | Hard | Older | Array, String, Depth-First Search, Breadth-First Search |
| 2 | Basic Calculator III | Hard | Older | Math, String, Stack, Recursion |
| 3 | Clone Graph | Medium | Older | Hash Table, Depth-First Search, Breadth-First Search, Graph Theory |
| 4 | Find All Duplicates in an Array | Medium | Older | Array, Hash Table, Sorting |
| 5 | Find the Index of the First Occurrence in a String | Easy | Older | Two Pointers, String, String Matching, Z Algorithm |
| 6 | Inorder Successor in BST | Medium | Older | Tree, Depth-First Search, Binary Search Tree, Binary Tree |
| 7 | Insert Delete GetRandom O(1) | Medium | Older | Array, Hash Table, Math, Design |
| 8 | Kth Largest Element in an Array | Medium | Older | Array, Divide and Conquer, Sorting, Heap (Priority Queue) |
| 9 | Longest Repeating Character Replacement | Medium | Older | Hash Table, String, Sliding Window |
| 10 | Non-negative Integers without Consecutive Ones | Hard | Older | Dynamic Programming |
| 11 | Shortest Palindrome | Hard | Older | String, Rolling Hash, String Matching, Hash Function |
| 12 | Sort Colors | Medium | Older | Array, Two Pointers, Sorting, Quicksort |
| 13 | Top K Frequent Elements | Medium | Older | Array, Hash Table, Divide and Conquer, Sorting |
| 14 | Top K Frequent Words | Medium | Older | Array, Hash Table, String, Trie |
| 15 | Word Break | Medium | Older | Array, Hash Table, String, Dynamic Programming |
Sources¶
- liquidslr/leetcode-company-wise-problems and snehasishroy/leetcode-companywise-interview-questions, merged by scripts/build_question_data.py.
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