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Interview question tracker
Apple SDE 1
The 50 highest-frequency questions from last 6 months. Finish the strongest signals first.
Latest source check: ⓘLatest successful check of the sources used by this company. A check does not necessarily mean the questions changed.
Top questions 50
| Done | Question | LeetCode |
|---|---|---|
| LRU Cache | Solve | |
| Merge Intervals | Solve | |
| Design Hit Counter | Solve | |
| Course Schedule II | Solve | |
| Group Anagrams | Solve | |
| Insert Delete GetRandom O(1) | Solve | |
| Number of Islands | Solve | |
| Best Time to Buy and Sell Stock | Solve | |
| Reverse Linked List | Solve | |
| Basic Calculator II | Solve | |
| Longest Common Prefix | Solve | |
| Subarray Product Less Than K | Solve | |
| Subarray Sum Equals K | Solve | |
| Time Based Key-Value Store | Solve | |
| Two Sum | Solve | |
| 3Sum | Solve | |
| Find First and Last Position of Element in Sorted Array | Solve | |
| Best Time to Buy and Sell Stock II | Solve | |
| Design Memory Allocator | Solve | |
| Edit Distance | Solve | |
| Find All Lonely Numbers in the Array | Solve | |
| Longest Substring Without Repeating Characters | Solve | |
| Rotate Image | Solve | |
| Serialize and Deserialize N-ary Tree | Solve | |
| Spiral Matrix | Solve | |
| Task Scheduler | Solve | |
| Total Hamming Distance | Solve | |
| Valid Palindrome | Solve | |
| Best Time to Buy and Sell Stock with Cooldown | Solve | |
| Course Schedule | Solve | |
| Design Task Manager | Solve | |
| Is Graph Bipartite? | Solve | |
| Maximum Swap | Solve | |
| Meeting Rooms | Solve | |
| Merge k Sorted Lists | Solve | |
| Reverse Integer | Solve | |
| Snapshot Array | Solve | |
| Word Ladder | Solve | |
| All Nodes Distance K in Binary Tree | Solve | |
| Best Time to Buy and Sell Stock with Transaction Fee | Solve | |
| Binary Tree Vertical Order Traversal | Solve | |
| Cheapest Flights Within K Stops | Solve | |
| Construct Binary Tree from Preorder and Postorder Traversal | Solve | |
| Convert Object to JSON String | Solve | |
| Design Log Storage System | Solve | |
| Find Median from Data Stream | Solve | |
| Implement Trie (Prefix Tree) | Solve | |
| Keys and Rooms | Solve | |
| Knight Probability in Chessboard | Solve | |
| Letter Combinations of a Phone Number | Solve |
Showing the 50 highest-frequency questions from 69 reported in this period.