Moderna LeetCode Interview Questions
Practice 42 real coding problems frequently asked in Moderna technical interviews. Master these questions to ace your next Moderna software engineering interview.
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Moderna Interview Problems
| Problem | DifficultyDiff | Action |
|---|---|---|
Maximum Number of Occurrences of a Substring 100% | MediumM | Solve→ |
Subsets 87% | MediumM | Solve→ |
Flatten Binary Tree to Linked List 83% | MediumM | Solve→ |
Combination Sum II 83% | MediumM | Solve→ |
Reverse Integer 78% | MediumM | Solve→ |
Minimum Time to Visit a Cell In a Grid 78% | HardH | Solve→ |
Coin Change 77% | MediumM | Solve→ |
Check Completeness of a Binary Tree 74% | MediumM | Solve→ |
Counting Bits 73% | EasyE | Solve→ |
Remove All Adjacent Duplicates In String 70% | EasyE | Solve→ |
Digit Operations to Make Two Integers Equal 68% | MediumM | Solve→ |
Minimum Array Sum 68% | MediumM | Solve→ |
Number of Islands 67% | MediumM | Solve→ |
Max Consecutive Ones III 65% | MediumM | Solve→ |
Flip Columns For Maximum Number of Equal Rows 64% | MediumM | Solve→ |
Word Ladder II 64% | HardH | Solve→ |
Maximum Number of Events That Can Be Attended 62% | MediumM | Solve→ |
Dot Product of Two Sparse Vectors 62% | MediumM | Solve→ |
First Missing Positive 61% | HardH | Solve→ |
Longest Arithmetic Subsequence of Given Difference 60% | MediumM | Solve→ |
Find Longest Self-Contained Substring 60% | HardH | Solve→ |
Squares of a Sorted Array 59% | EasyE | Solve→ |
Plus One 58% | EasyE | Solve→ |
Sort Colors 57% | MediumM | Solve→ |
Container With Most Water 57% | MediumM | Solve→ |
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Construct Quad Tree 56% | MediumM | Solve→ |
Find Median from Data Stream 56% | HardH | Solve→ |
Minimum Window Substring 54% | HardH | Solve→ |
Next Permutation 53% | MediumM | Solve→ |
Adding Spaces to a String 52% | MediumM | Solve→ |
Longest Substring Without Repeating Characters 52% | MediumM | Solve→ |
Min Stack 48% | MediumM | Solve→ |
Zigzag Conversion 45% | MediumM | Solve→ |
Sum Root to Leaf Numbers 43% | MediumM | Solve→ |
Remove Nth Node From End of List 41% | MediumM | Solve→ |
Valid Anagram 40% | EasyE | Solve→ |
Sqrt(x) 38% | EasyE | Solve→ |
Search in Rotated Sorted Array 37% | MediumM | Solve→ |
Bus Routes 35% | HardH | Solve→ |
Same Tree 30% | EasyE | Solve→ |
Valid Palindrome 25% | EasyE | Solve→ |
Word Ladder 23% | HardH | Solve→ |
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Frequently Asked Questions
What LeetCode problems does Moderna ask in interviews?
Moderna commonly asks 42 coding problems in technical interviews, including Maximum Number of Occurrences of a Substring, Subsets, Flatten Binary Tree to Linked List. The difficulty breakdown is 8 Easy, 26 Medium, and 8 Hard problems.
How should I prepare for a Moderna coding interview?
Focus on the most frequently asked problems first, especially those with high frequency scores. Moderna interviews typically emphasize Array and Hash Table. Practice explaining your thought process while coding.
What is the difficulty level of Moderna coding interviews?
Based on our data, Moderna interviews include 8 Easy (19%), 26 Medium (62%), and 8 Hard (19%) problems.
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