Charles Schwab LeetCode Interview Questions
Practice 34 real coding problems frequently asked in Charles Schwab technical interviews. Master these questions to ace your next Charles Schwab software engineering interview.
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Charles Schwab Interview Problems
| Problem | DifficultyDiff | Action |
|---|---|---|
Binary Search Tree Iterator 100% | MediumM | Solve→ |
Maximum Sum Circular Subarray 90% | MediumM | Solve→ |
Vertical Order Traversal of a Binary Tree 86% | HardH | Solve→ |
Check If a Word Occurs As a Prefix of Any Word in a Sentence 84% | EasyE | Solve→ |
Jump Game II 84% | MediumM | Solve→ |
Analyze User Website Visit Pattern 80% | MediumM | Solve→ |
Remove Nth Node From End of List 77% | MediumM | Solve→ |
Accounts Merge 73% | MediumM | Solve→ |
Asteroid Collision 73% | MediumM | Solve→ |
Maximum Number of Events That Can Be Attended 71% | MediumM | Solve→ |
Minimum Limit of Balls in a Bag 71% | MediumM | Solve→ |
Interval List Intersections 67% | MediumM | Solve→ |
Invalid Transactions 64% | MediumM | Solve→ |
Trips and Users 63% | HardH | Solve→ |
Find Score of an Array After Marking All Elements 62% | MediumM | Solve→ |
IP to CIDR 60% | MediumM | Solve→ |
Closest Binary Search Tree Value 55% | EasyE | Solve→ |
Is Subsequence 55% | EasyE | Solve→ |
Copy List with Random Pointer 52% | MediumM | Solve→ |
Longest Palindromic Substring 49% | MediumM | Solve→ |
Add Strings 49% | EasyE | Solve→ |
Binary Tree Vertical Order Traversal 44% | MediumM | Solve→ |
Zero Array Transformation I 43% | MediumM | Solve→ |
Design Snake Game 42% | MediumM | Solve→ |
Zero Array Transformation II 40% | MediumM | Solve→ |
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Basic Calculator 37% | HardH | Solve→ |
Remove All Occurrences of a Substring 35% | MediumM | Solve→ |
Remove Element 34% | EasyE | Solve→ |
Coin Change 33% | MediumM | Solve→ |
Median of Two Sorted Arrays 33% | HardH | Solve→ |
Binary Tree Zigzag Level Order Traversal 31% | MediumM | Solve→ |
Implement Queue using Stacks 27% | EasyE | Solve→ |
Minimum Window Substring 26% | HardH | Solve→ |
Nested List Weight Sum 22% | MediumM | Solve→ |
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Frequently Asked Questions
What LeetCode problems does Charles Schwab ask in interviews?
Charles Schwab commonly asks 34 coding problems in technical interviews, including Binary Search Tree Iterator, Maximum Sum Circular Subarray, Vertical Order Traversal of a Binary Tree. The difficulty breakdown is 6 Easy, 23 Medium, and 5 Hard problems.
How should I prepare for a Charles Schwab coding interview?
Focus on the most frequently asked problems first, especially those with high frequency scores. Charles Schwab interviews typically emphasize Array and String. Practice explaining your thought process while coding.
What is the difficulty level of Charles Schwab coding interviews?
Based on our data, Charles Schwab interviews include 6 Easy (18%), 23 Medium (68%), and 5 Hard (15%) problems.
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