Capgemini vs IBM Interview Questions
Capgemini lists 26 LeetCode interview questions while IBM lists 115. They share 10 problems — 38% of Capgemini's bank and 9% of IBM's. Focus on the overlap first, then drill into 16 Capgemini-only and 105 IBM-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 10 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Capgemini and IBM.
Step 2 — Company-specific depth: Add Capgemini-specific problems like Reverse Degree of a String, Number of Unique Subjects Taught by Each Teacher, 4Sum and IBM-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: IBM skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
10 Shared Questions
High-priority problems to practice for both Capgemini and IBM.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Remove Duplicates from Sorted Array | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Longest Common Prefix | Easy |
| Palindrome Number | Easy |
| Trapping Rain Water | Hard |
| Rotate Array | Medium |
| Median of Two Sorted Arrays | Hard |
| Subarray Sum Equals K | Medium |
| Longest Substring Without Repeating Characters | Medium |
Unique to Capgemini (16)
Problems in Capgemini's list that do not appear at IBM.
| Problem | Difficulty |
|---|---|
| Reverse Degree of a String | Easy |
| Number of Unique Subjects Taught by Each Teacher | Easy |
| 4Sum | Medium |
| Count Elements With Maximum Frequency | Easy |
| Add Two Numbers | Medium |
| Valid Anagram | Easy |
| Find First and Last Position of Element in Sorted Array | Medium |
| Valid Palindrome | Easy |
| Fibonacci Number | Easy |
| Nth Highest Salary | Medium |
| Exchange Seats | Medium |
| Longest Happy String | Medium |
Unique to IBM (105)
Problems in IBM's list that do not appear at Capgemini.
| 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 |
| Count Ways to Group Overlapping Ranges | Medium |
| Meeting Rooms II | Medium |
| Rotate Image | Medium |
| Minimum Absolute Difference | Easy |
Frequently Asked Questions
How many LeetCode questions do Capgemini and IBM share?
Capgemini and IBM share 10 LeetCode interview questions. 16 problems appear only in Capgemini's list and 105 appear only in IBM's list.
What topics overlap most between Capgemini and IBM?
The most common shared topics between Capgemini and IBM are Array (8 shared questions), Hash Table (3 shared questions), Two Pointers (3 shared questions), Dynamic Programming (2 shared questions), String (2 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Capgemini or IBM?
Capgemini has 13 Easy, 11 Medium, and 2 Hard questions. IBM has 33 Easy, 73 Medium, and 9 Hard questions. IBM has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Capgemini and IBM?
Start with the 10 shared problems since they cover what both companies ask most often. Then add 16 Capgemini-specific and 20 IBM-specific questions to round out your prep.