Block LeetCode Interview Questions
Practice 38 real coding problems frequently asked in Block technical interviews. Master these questions to ace your next Block software engineering interview.
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Block Interview Problems
| Problem | DifficultyDiff | Action |
|---|---|---|
Same Tree 100% | EasyE | Solve→ |
Reorganize String 94% | MediumM | Solve→ |
Linked List Cycle 91% | EasyE | Solve→ |
Move Pieces to Obtain a String 90% | MediumM | Solve→ |
Number of Distinct Islands 88% | MediumM | Solve→ |
Merge k Sorted Lists 84% | HardH | Solve→ |
Two Sum 83% | EasyE | Solve→ |
Merge Sorted Array 83% | EasyE | Solve→ |
Roman to Integer 80% | EasyE | Solve→ |
Random Pick Index 75% | MediumM | Solve→ |
Moving Average from Data Stream 75% | EasyE | Solve→ |
Final Array State After K Multiplication Operations I 72% | EasyE | Solve→ |
Continuous Subarrays 71% | MediumM | Solve→ |
Word Pattern II 71% | MediumM | Solve→ |
Basic Calculator II 69% | MediumM | Solve→ |
Recyclable and Low Fat Products 68% | EasyE | Solve→ |
Take Gifts From the Richest Pile 66% | EasyE | Solve→ |
Sum Root to Leaf Numbers 66% | MediumM | Solve→ |
Daily Temperatures 62% | MediumM | Solve→ |
Zigzag Conversion 61% | MediumM | Solve→ |
Min Stack 60% | MediumM | Solve→ |
Nested List Weight Sum II 60% | MediumM | Solve→ |
Minimum Operations to Make Character Frequencies Equal 60% | HardH | Solve→ |
Design an Array Statistics Tracker 59% | HardH | Solve→ |
Insert Delete GetRandom O(1) - Duplicates allowed 56% | HardH | Solve→ |
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Integer to English Words 56% | HardH | Solve→ |
Reverse Words in a String 54% | MediumM | Solve→ |
Product of Array Except Self 52% | MediumM | Solve→ |
Two Best Non-Overlapping Events 49% | MediumM | Solve→ |
K Inverse Pairs Array 47% | HardH | Solve→ |
Boundary of Binary Tree 39% | MediumM | Solve→ |
Merge Two Sorted Lists 38% | EasyE | Solve→ |
Valid Palindrome II 37% | EasyE | Solve→ |
Walls and Gates 37% | MediumM | Solve→ |
Rotate Image 35% | MediumM | Solve→ |
Valid Word Abbreviation 27% | EasyE | Solve→ |
Group Shifted Strings 26% | MediumM | Solve→ |
Binary Tree Zigzag Level Order Traversal 24% | MediumM | Solve→ |
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Frequently Asked Questions
What LeetCode problems does Block ask in interviews?
Block commonly asks 38 coding problems in technical interviews, including Same Tree, Reorganize String, Linked List Cycle. The difficulty breakdown is 12 Easy, 20 Medium, and 6 Hard problems.
How should I prepare for a Block coding interview?
Focus on the most frequently asked problems first, especially those with high frequency scores. Block interviews typically emphasize Array and String. Practice explaining your thought process while coding.
What is the difficulty level of Block coding interviews?
Based on our data, Block interviews include 12 Easy (32%), 20 Medium (53%), and 6 Hard (16%) problems.
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