Deutsche Bank vs IBM Interview Questions
Deutsche Bank lists 21 LeetCode interview questions while IBM lists 115. They share 3 problems — 14% of Deutsche Bank's bank and 3% of IBM's. Focus on the overlap first, then drill into 18 Deutsche Bank-only and 112 IBM-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 3 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Deutsche Bank and IBM.
Step 2 — Company-specific depth: Add Deutsche Bank-specific problems like Find the Maximum Sum of Node Values, Apply Operations to Maximize Frequency Score, Smallest K-Length Subsequence With Occurrences of a Letter and IBM-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Deutsche Bank skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
3 Shared Questions
High-priority problems to practice for both Deutsche Bank and IBM.
| Problem | Difficulty |
|---|---|
| Longest Common Prefix | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Two Sum | Easy |
Unique to Deutsche Bank (18)
Problems in Deutsche Bank's list that do not appear at IBM.
Unique to IBM (112)
Problems in IBM's list that do not appear at Deutsche Bank.
| 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 Deutsche Bank and IBM share?
Deutsche Bank and IBM share 3 LeetCode interview questions. 18 problems appear only in Deutsche Bank's list and 112 appear only in IBM's list.
What topics overlap most between Deutsche Bank and IBM?
The most common shared topics between Deutsche Bank and IBM are Array (3 shared questions), String (1 shared questions), Trie (1 shared questions), Dynamic Programming (1 shared questions), Hash Table (1 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Deutsche Bank or IBM?
Deutsche Bank has 7 Easy, 7 Medium, and 7 Hard questions. IBM has 33 Easy, 73 Medium, and 9 Hard questions. Deutsche Bank has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Deutsche Bank and IBM?
Start with the 3 shared problems since they cover what both companies ask most often. Then add 18 Deutsche Bank-specific and 20 IBM-specific questions to round out your prep.