IBM vs Okta Interview Questions
IBM lists 115 LeetCode interview questions while Okta lists 20. They share 7 problems — 6% of IBM's bank and 35% of Okta's. Focus on the overlap first, then drill into 108 IBM-only and 13 Okta-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 7 overlapping problems first. These are the highest-yield questions for candidates interviewing at both IBM and Okta.
Step 2 — Company-specific depth: Add IBM-specific problems like Find the Smallest Divisor Given a Threshold, Gray Code, 3Sum and Okta-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Okta skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
7 Shared Questions
High-priority problems to practice for both IBM and Okta.
| Problem | Difficulty |
|---|---|
| Merge Intervals | Medium |
| Longest Consecutive Sequence | Medium |
| Group Anagrams | Medium |
| Product of Array Except Self | Medium |
| Median of Two Sorted Arrays | Hard |
| LRU Cache | Medium |
| Task Scheduler | Medium |
Unique to IBM (108)
Problems in IBM's list that do not appear at Okta.
| Problem | Difficulty |
|---|---|
| Find the Smallest Divisor Given a Threshold | Medium |
| Gray Code | Medium |
| 3Sum | Medium |
| Exclusive Time of Functions | Medium |
| Integer to Roman | Medium |
| Minimum Operations to Make Columns Strictly Increasing | Easy |
| Fizz Buzz | Easy |
| Roman to Integer | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Count Ways to Group Overlapping Ranges | Medium |
| Two Sum | Easy |
| Meeting Rooms II | Medium |
Unique to Okta (13)
Problems in Okta's list that do not appear at IBM.
| Problem | Difficulty |
|---|---|
| Insert Delete GetRandom O(1) | Medium |
| Simple Bank System | Medium |
| All Nodes Distance K in Binary Tree | Medium |
| Find Median from Data Stream | Hard |
| Container With Most Water | Medium |
| Daily Temperatures | Medium |
| Number of Islands | Medium |
| Making File Names Unique | Medium |
| Range Sum Query 2D - Immutable | Medium |
| Reverse Substrings Between Each Pair of Parentheses | Medium |
| Word Ladder II | Hard |
| Word Ladder | Hard |
Frequently Asked Questions
How many LeetCode questions do IBM and Okta share?
IBM and Okta share 7 LeetCode interview questions. 108 problems appear only in IBM's list and 13 appear only in Okta's list.
What topics overlap most between IBM and Okta?
The most common shared topics between IBM and Okta are Array (6 shared questions), Hash Table (4 shared questions), Sorting (3 shared questions), Union Find (1 shared questions), String (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: IBM or Okta?
IBM has 33 Easy, 73 Medium, and 9 Hard questions. Okta has 0 Easy, 15 Medium, and 5 Hard questions. Okta has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both IBM and Okta?
Start with the 7 shared problems since they cover what both companies ask most often. Then add 20 IBM-specific and 13 Okta-specific questions to round out your prep.