Accenture vs Cognizant Interview Questions
Accenture lists 143 LeetCode interview questions while Cognizant lists 29. They share 22 problems — 15% of Accenture's bank and 76% of Cognizant's. Focus on the overlap first, then drill into 121 Accenture-only and 7 Cognizant-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 22 overlapping problems first. These are the highest-yield questions for candidates interviewing at both Accenture and Cognizant.
Step 2 — Company-specific depth: Add Accenture-specific problems like Best Time to Buy and Sell Stock, Climbing Stairs, Smallest Divisible Digit Product II and Cognizant-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Accenture skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
22 Shared Questions
High-priority problems to practice for both Accenture and Cognizant.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Maximum Subarray | Medium |
| Longest Substring Without Repeating Characters | Medium |
| Reverse Integer | Medium |
| Happy Number | Easy |
| Palindrome Number | Easy |
| Move Zeroes | Easy |
| Longest Palindromic Substring | Medium |
| Remove Duplicates from Sorted Array | Easy |
| Median of Two Sorted Arrays | Hard |
| Merge Sorted Array | Easy |
| Longest Common Prefix | Easy |
| Count Primes | Medium |
| Fibonacci Number | Easy |
| 3Sum | Medium |
| Valid Anagram | Easy |
| Merge Two Sorted Lists | Easy |
| Add Two Numbers | Medium |
| Valid Parentheses | Easy |
| Second Highest Salary | Medium |
| Rising Temperature | Easy |
| Search Insert Position | Easy |
Unique to Accenture (121)
Problems in Accenture's list that do not appear at Cognizant.
Unique to Cognizant (7)
Problems in Cognizant's list that do not appear at Accenture.
Frequently Asked Questions
How many LeetCode questions do Accenture and Cognizant share?
Accenture and Cognizant share 22 LeetCode interview questions. 121 problems appear only in Accenture's list and 7 appear only in Cognizant's list.
What topics overlap most between Accenture and Cognizant?
The most common shared topics between Accenture and Cognizant are Array (10 shared questions), Math (6 shared questions), Two Pointers (6 shared questions), String (5 shared questions), Hash Table (4 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: Accenture or Cognizant?
Accenture has 62 Easy, 69 Medium, and 12 Hard questions. Cognizant has 18 Easy, 10 Medium, and 1 Hard questions. Accenture has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both Accenture and Cognizant?
Start with the 22 shared problems since they cover what both companies ask most often. Then add 20 Accenture-specific and 7 Cognizant-specific questions to round out your prep.