TCS vs Visa Interview Questions
TCS lists 228 LeetCode interview questions while Visa lists 146. They share 53 problems — 23% of TCS's bank and 36% of Visa's. Focus on the overlap first, then drill into 175 TCS-only and 93 Visa-only questions.
Overview
Preparation Strategy
Step 1 — Shared core: Solve the 53 overlapping problems first. These are the highest-yield questions for candidates interviewing at both TCS and Visa.
Step 2 — Company-specific depth: Add TCS-specific problems like Friday Purchases I, Palindrome Number, Move Zeroes and Visa-specific problems from the exclusive lists below.
Step 3 — Difficulty tuning: Visa skews harder in our data. Budget extra time for Hard problems if you are targeting that company.
Difficulty Comparison
Top Shared Topics
53 Shared Questions
High-priority problems to practice for both TCS and Visa.
| Problem | Difficulty |
|---|---|
| Two Sum | Easy |
| Longest Palindromic Substring | Medium |
| Maximum Subarray | Medium |
| Longest Common Prefix | Easy |
| Best Time to Buy and Sell Stock | Easy |
| Sort Colors | Medium |
| Valid Anagram | Easy |
| Valid Parentheses | Easy |
| Longest Substring Without Repeating Characters | Medium |
| Subarray Sum Equals K | Medium |
| Rotate Array | Medium |
| Median of Two Sorted Arrays | Hard |
| Container With Most Water | Medium |
| 3Sum | Medium |
| Contains Duplicate | Easy |
| Check if Array Is Sorted and Rotated | Easy |
| Valid Palindrome | Easy |
| Spiral Matrix | Medium |
| First Unique Character in a String | Easy |
| Trapping Rain Water | Hard |
| Merge Sorted Array | Easy |
| Search in Rotated Sorted Array | Medium |
| Merge Intervals | Medium |
| Unique Paths | Medium |
| Plus One | Easy |
| Add Binary | Easy |
| Happy Number | Easy |
| Group Anagrams | Medium |
| Product of Array Except Self | Medium |
| Two Sum II - Input Array Is Sorted | Medium |
Showing top 30 of 53 shared problems.
Unique to TCS (175)
Problems in TCS's list that do not appear at Visa.
| Problem | Difficulty |
|---|---|
| Friday Purchases I | Medium |
| Palindrome Number | Easy |
| Move Zeroes | Easy |
| Majority Element | Easy |
| Find the Index of the First Occurrence in a String | Easy |
| Single Number | Easy |
| Second Highest Salary | Medium |
| Remove Duplicates from Sorted Array | Easy |
| Reverse Integer | Medium |
| Jump Game | Medium |
| Remove Letter To Equalize Frequency | Easy |
| Maximum Ascending Subarray Sum | Easy |
Unique to Visa (93)
Problems in Visa's list that do not appear at TCS.
Frequently Asked Questions
How many LeetCode questions do TCS and Visa share?
TCS and Visa share 53 LeetCode interview questions. 175 problems appear only in TCS's list and 93 appear only in Visa's list.
What topics overlap most between TCS and Visa?
The most common shared topics between TCS and Visa are Array (21 shared questions), Two Pointers (10 shared questions), String (9 shared questions), Hash Table (8 shared questions), Sorting (7 shared questions). Mastering these areas prepares you for both companies.
Which company asks harder LeetCode questions: TCS or Visa?
TCS has 99 Easy, 108 Medium, and 21 Hard questions. Visa has 32 Easy, 92 Medium, and 22 Hard questions. Visa has a higher proportion of Hard problems in its interview set.
How should I prepare if interviewing at both TCS and Visa?
Start with the 53 shared problems since they cover what both companies ask most often. Then add 20 TCS-specific and 20 Visa-specific questions to round out your prep.