IBM LeetCode Interview Questions
Practice 32 real coding problems frequently asked in IBM technical interviews. Master these questions to ace your next IBM software engineering interview.
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IBM Interview Problems
| Problem | DifficultyDiff | Action |
|---|---|---|
Expression Add Operators 100% | HardH | Solve→ |
Longest Repeating Character Replacement 98% | MediumM | Solve→ |
Sort Integers by The Power Value 96% | MediumM | Solve→ |
Number of Ships in a Rectangle 92% | HardH | Solve→ |
Min Stack 84% | MediumM | Solve→ |
Maximum Profit in Job Scheduling 83% | HardH | Solve→ |
Maximum Number of Occurrences of a Substring 83% | MediumM | Solve→ |
Daily Temperatures 81% | MediumM | Solve→ |
Counting Bits 78% | EasyE | Solve→ |
Longest Increasing Subsequence 71% | MediumM | Solve→ |
Search a 2D Matrix 66% | MediumM | Solve→ |
Coin Change II 65% | MediumM | Solve→ |
Palindromic Substrings 64% | MediumM | Solve→ |
4Sum 62% | MediumM | Solve→ |
Remove Duplicates from Sorted Array II 61% | MediumM | Solve→ |
Longest Palindromic Substring 55% | MediumM | Solve→ |
Kth Smallest Element in a BST 51% | MediumM | Solve→ |
Best Time to Buy and Sell Stock II 50% | MediumM | Solve→ |
Search Insert Position 44% | EasyE | Solve→ |
Can Place Flowers 42% | EasyE | Solve→ |
Ransom Note 37% | EasyE | Solve→ |
Longest Subarray of 1's After Deleting One Element 36% | MediumM | Solve→ |
Binary Tree Zigzag Level Order Traversal 34% | MediumM | Solve→ |
Top K Frequent Elements 34% | MediumM | Solve→ |
House Robber II 33% | MediumM | Solve→ |
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Word Break 33% | MediumM | Solve→ |
Find the Index of the First Occurrence in a String 31% | EasyE | Solve→ |
Search Suggestions System 29% | MediumM | Solve→ |
Boundary of Binary Tree 28% | MediumM | Solve→ |
Two Best Non-Overlapping Events 28% | MediumM | Solve→ |
Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit 27% | MediumM | Solve→ |
Word Ladder II 25% | HardH | Solve→ |
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Frequently Asked Questions
What LeetCode problems does IBM ask in interviews?
IBM commonly asks 32 coding problems in technical interviews, including Expression Add Operators, Longest Repeating Character Replacement, Sort Integers by The Power Value. The difficulty breakdown is 5 Easy, 23 Medium, and 4 Hard problems.
How should I prepare for a IBM coding interview?
Focus on the most frequently asked problems first, especially those with high frequency scores. IBM interviews typically emphasize Array and Dynamic Programming. Practice explaining your thought process while coding.
What is the difficulty level of IBM coding interviews?
Based on our data, IBM interviews include 5 Easy (16%), 23 Medium (72%), and 4 Hard (13%) problems.
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