Cisco vs Turing Interview Questions
Cisco lists 87 LeetCode interview questions while Turing lists 37. They share 13 problems — 15% of Cisco's bank and 35% of Turing's. Focus on the overlap first, then drill into 74 Cisco-only and 24 Turing-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 13 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Cisco and Turing.
Step 2 — Company-specific depth: Add Cisco-specific problems like House Robber, Predict the Winner, Lucky Numbers in a Matrix and Turing-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
13 Shared Questions
High-priority problems to practice for both Cisco and Turing.
| Problem | Difficulty |
|---|---|
| Longest Palindromic Substring | Medium |
| Merge Intervals | Medium |
| Maximum Subarray | Medium |
| Two Sum | Easy |
| Valid Parentheses | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Best Time to Buy and Sell Stock | Easy |
| Number of Islands | Medium |
| 3Sum | Medium |
| Group Anagrams | Medium |
| Validate IP Address | Medium |
| Jump Game | Medium |
| Product of Array Except Self | Medium |
Unique to Cisco (74)
Problems in Cisco's list that do not appear at Turing.
| Problem | Difficulty |
|---|---|
| House Robber | Medium |
| Predict the Winner | Medium |
| Lucky Numbers in a Matrix | Easy |
| Rotate Image | Medium |
| Spiral Matrix | Medium |
| Fizz Buzz | Easy |
| LRU Cache | Medium |
| Snakes and Ladders | Medium |
| Number of Valid Words in a Sentence | Easy |
| Maximum Difference Between Increasing Elements | Easy |
| Find Third Transaction | Medium |
| Implement Router | Medium |
Unique to Turing (24)
Problems in Turing's list that do not appear at Cisco.
Frequently Asked Questions
How many LeetCode questions do Cisco and Turing share?
Cisco and Turing share 13 LeetCode interview questions. 74 problems appear only in Cisco's list and 24 appear only in Turing's list.
What topics overlap most between Cisco and Turing?
The most common shared topics between Cisco and Turing are Array (9 shared questions), String (5 shared questions), Dynamic Programming (4 shared questions), Sorting (3 shared questions), Hash Table (3 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Cisco or Turing?
Cisco has 24 Easy, 50 Medium, and 13 Hard questions. Turing has 10 Easy, 23 Medium, and 4 Hard questions. Cisco has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Cisco and Turing?
Start with the 13 shared problems since they cover what both companies ask most often. Then add 20 Cisco-specific and 20 Turing-specific questions to round out your prep.