Leidos LeetCode Interview Questions
Practice 23 real coding problems frequently asked in Leidos technical interviews. Master these questions to ace your next Leidos software engineering interview.
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Leidos Interview Problems
| Problem | DifficultyDiff | Action |
|---|---|---|
Lowest Common Ancestor of a Binary Tree III 100% | MediumM | Solve→ |
K Closest Points to Origin 90% | MediumM | Solve→ |
Subsets II 81% | MediumM | Solve→ |
Lowest Common Ancestor of a Binary Search Tree 81% | MediumM | Solve→ |
Number of Islands II 76% | HardH | Solve→ |
Simplify Path 73% | MediumM | Solve→ |
Add Two Numbers 70% | MediumM | Solve→ |
Palindrome Linked List 64% | EasyE | Solve→ |
Subsets 62% | MediumM | Solve→ |
Minimum Time to Visit a Cell In a Grid 61% | HardH | Solve→ |
Valid Parentheses 60% | EasyE | Solve→ |
Open the Lock 60% | MediumM | Solve→ |
Best Time to Buy and Sell Stock II 60% | MediumM | Solve→ |
Remove Element 60% | EasyE | Solve→ |
Largest Rectangle in Histogram 57% | HardH | Solve→ |
Two Sum II - Input Array Is Sorted 56% | MediumM | Solve→ |
Buildings With an Ocean View 54% | MediumM | Solve→ |
Maximum Depth of Binary Tree 45% | EasyE | Solve→ |
Palindromic Substrings 38% | MediumM | Solve→ |
The Earliest Moment When Everyone Become Friends 32% | MediumM | Solve→ |
Maximum Area Rectangle With Point Constraints I 30% | MediumM | Solve→ |
Dot Product of Two Sparse Vectors 27% | MediumM | Solve→ |
Add Two Integers 25% | EasyE | Solve→ |
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Frequently Asked Questions
What LeetCode problems does Leidos ask in interviews?
Leidos commonly asks 23 coding problems in technical interviews, including Lowest Common Ancestor of a Binary Tree III, K Closest Points to Origin, Subsets II. The difficulty breakdown is 5 Easy, 15 Medium, and 3 Hard problems.
How should I prepare for a Leidos coding interview?
Focus on the most frequently asked problems first, especially those with high frequency scores. Leidos interviews typically emphasize Array and Two Pointers. Practice explaining your thought process while coding.
What is the difficulty level of Leidos coding interviews?
Based on our data, Leidos interviews include 5 Easy (22%), 15 Medium (65%), and 3 Hard (13%) problems.
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