Bloomberg vs Cisco Interview Questions
Bloomberg lists 1,200 LeetCode interview questions while Cisco lists 87. They share 73 problems — 6% of Bloomberg's bank and 84% of Cisco's. Focus on the overlap first, then drill into 1,127 Bloomberg-only and 14 Cisco-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 73 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Bloomberg and Cisco.
Step 2 — Company-specific depth: Add Bloomberg-specific problems like Invalid Transactions, Longest Common Prefix, Flatten a Multilevel Doubly Linked List and Cisco-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Cisco skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
73 Shared Questions
High-priority problems to practice for both Bloomberg and Cisco.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Merge Intervals | Medium |
| Add Two Numbers | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Valid Parentheses | Easy |
| Insert Delete GetRandom O(1) | Medium |
| Number of Islands | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Trapping Rain Water | Hard |
| Longest Palindromic Substring | Medium |
| 3Sum | Medium |
| Word Search | Medium |
| Decode String | Medium |
| Merge Sorted Array | Easy |
| Remove Duplicates from Sorted Array | Easy |
| LRU Cache | Medium |
| Subarray Sum Equals K | Medium |
| Longest Consecutive Sequence | Medium |
| Min Stack | Medium |
| Maximum Subarray | Medium |
| Group Anagrams | Medium |
| Move Zeroes | Easy |
| Rotate Image | Medium |
| Climbing Stairs | Easy |
| Meeting Rooms II | Medium |
| Reverse Linked List | Easy |
| Valid Palindrome | Easy |
| Single Number | Easy |
| Pascal's Triangle | Easy |
| Jump Game | Medium |
Showing top 30 of 73 shared problems.
Unique to Bloomberg (1,127)
Problems in Bloomberg's list that do not appear at Cisco.
| Problem | Difficulty |
|---|---|
| Invalid Transactions | Medium |
| Longest Common Prefix | Easy |
| Flatten a Multilevel Doubly Linked List | Medium |
| Median of Two Sorted Arrays | Hard |
| Majority Element | Easy |
| Container With Most Water | Medium |
| Reverse Integer | Medium |
| Valid Anagram | Easy |
| Palindrome Number | Easy |
| Merge Two Sorted Lists | Easy |
| Roman to Integer | Easy |
| Design Underground System | Medium |
Unique to Cisco (14)
Problems in Cisco's list that do not appear at Bloomberg.
Frequently Asked Questions
How many LeetCode questions do Bloomberg and Cisco share?
Bloomberg and Cisco share 73 LeetCode interview questions. 1127 problems appear only in Bloomberg's list and 14 appear only in Cisco's list.
What topics overlap most between Bloomberg and Cisco?
The most common shared topics between Bloomberg and Cisco are Array (20 shared questions), Two Pointers (8 shared questions), Hash Table (7 shared questions), String (7 shared questions), Dynamic Programming (7 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Bloomberg or Cisco?
Bloomberg has 395 Easy, 645 Medium, and 160 Hard questions. Cisco has 24 Easy, 50 Medium, and 13 Hard questions. Cisco has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Bloomberg and Cisco?
Start with the 73 shared problems since they cover what both companies ask most often. Then add 20 Bloomberg-specific and 14 Cisco-specific questions to round out your prep.