Alcon LeetCode Interview Questions
Practice 48 real coding problems frequently asked in Alcon technical interviews. Master these questions to ace your next Alcon software engineering interview.
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Alcon Interview Problems
| Problem | DifficultyDiff | Action |
|---|---|---|
Maximum Product Subarray 100% | MediumM | Solve→ |
Valid Word Abbreviation 94% | EasyE | Solve→ |
Remove Letter To Equalize Frequency 92% | EasyE | Solve→ |
Trips and Users 85% | HardH | Solve→ |
Isomorphic Strings 84% | EasyE | Solve→ |
Invalid Transactions 82% | MediumM | Solve→ |
Open the Lock 82% | MediumM | Solve→ |
Simplify Path 82% | MediumM | Solve→ |
Longest Repeating Character Replacement 79% | MediumM | Solve→ |
Minimum Limit of Balls in a Bag 74% | MediumM | Solve→ |
Reveal Cards In Increasing Order 72% | MediumM | Solve→ |
Squares of a Sorted Array 69% | EasyE | Solve→ |
Add Two Integers 68% | EasyE | Solve→ |
House Robber II 67% | MediumM | Solve→ |
Binary Tree Right Side View 66% | MediumM | Solve→ |
Fraction to Recurring Decimal 66% | MediumM | Solve→ |
Max Consecutive Ones III 65% | MediumM | Solve→ |
Count Unhappy Friends 61% | MediumM | Solve→ |
Permutation in String 61% | MediumM | Solve→ |
Can Place Flowers 61% | EasyE | Solve→ |
Find the Celebrity 60% | MediumM | Solve→ |
N-Queens 60% | HardH | Solve→ |
Min Stack 59% | MediumM | Solve→ |
Maximum Beauty of an Array After Applying Operation 55% | MediumM | Solve→ |
Check If N and Its Double Exist 55% | EasyE | Solve→ |
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Longest Consecutive Sequence 53% | MediumM | Solve→ |
Kth Smallest Element in a Sorted Matrix 51% | MediumM | Solve→ |
Making A Large Island 50% | HardH | Solve→ |
Insert Delete GetRandom O(1) - Duplicates allowed 47% | HardH | Solve→ |
Generate Parentheses 47% | MediumM | Solve→ |
Longest Increasing Path in a Matrix 45% | HardH | Solve→ |
Largest Number 45% | MediumM | Solve→ |
Group Anagrams 39% | MediumM | Solve→ |
Diameter of Binary Tree 39% | EasyE | Solve→ |
Lowest Common Ancestor of a Binary Tree III 38% | MediumM | Solve→ |
Minimum Array Sum 37% | MediumM | Solve→ |
Sliding Window Maximum 37% | HardH | Solve→ |
House Robber 36% | MediumM | Solve→ |
Same Tree 35% | EasyE | Solve→ |
Remove Stones to Minimize the Total 31% | MediumM | Solve→ |
Adding Spaces to a String 30% | MediumM | Solve→ |
Jump Game 30% | MediumM | Solve→ |
Coin Change II 28% | MediumM | Solve→ |
Binary Tree Maximum Path Sum 25% | HardH | Solve→ |
Goat Latin 24% | EasyE | Solve→ |
Reverse Nodes in k-Group 22% | HardH | Solve→ |
Missing Number 21% | EasyE | Solve→ |
Closest Binary Search Tree Value 21% | EasyE | Solve→ |
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Frequently Asked Questions
What LeetCode problems does Alcon ask in interviews?
Alcon commonly asks 48 coding problems in technical interviews, including Maximum Product Subarray, Valid Word Abbreviation, Remove Letter To Equalize Frequency. The difficulty breakdown is 12 Easy, 28 Medium, and 8 Hard problems.
How should I prepare for a Alcon coding interview?
Focus on the most frequently asked problems first, especially those with high frequency scores. Alcon interviews typically emphasize Array and String. Practice explaining your thought process while coding.
What is the difficulty level of Alcon coding interviews?
Based on our data, Alcon interviews include 12 Easy (25%), 28 Medium (58%), and 8 Hard (17%) problems.
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