LogoAissence
Start Free
Pricing
Log inSign up

Tcs Interview Guide 2026

Process, Questions & AI Prep Tips

Tcs LeetCode Interview Guide 2026: 240 most frequently asked coding interview questions with solutions, difficulty breakdown (105 Easy, 113 Medium, 22 Hard), and acceptance rates. Master Tcs's coding interview with our AI-powered interview copilot. Practice Tcs interview questions, ace the technical screening, and prepare with a focused plan. Includes Tcs interview tips, system design questions, and behavioral prep strategies for software engineer, data scientist, and product manager roles.

4 Rounds $70K – $130K+ Medium

Interview Process at Tcs

1

Online Assessment

A timed coding challenge featuring 2-3 problems on Tcs's assessment platform.

2

Phone Screen

A 45-60 minute technical phone interview covering coding problems and system design.

3

Technical On-Site

Coding and system design rounds with Tcs engineers. Expect LeetCode medium-to-hard problems.

4

Behavioral / Culture Fit

Interviews assessing alignment with Tcs's values, teamwork, and communication skills.

Tcs Interview Questions

240 LeetCode questions — sorted by frequency. Question frequency is community-sourced from public interview reports and may not reflect the current process; verify details with the employer.

Last reviewed: September 5, 2026 · Source: LeetCode company-wise interview questions (community reports) · Reviewed by the Aissence Editorial Team.

120 of 240
1

Friday Purchases I

Medium100.0%
LeetCode
2

Two Sum

Easy87.5%
LeetCode
3

Longest Palindromic Substring

Medium75.0%
LeetCode
4

Palindrome Number

Easy75.0%
LeetCode
5

Maximum Subarray

Medium75.0%
LeetCode
6

Move Zeroes

Easy75.0%
LeetCode
7

Longest Substring Without Repeating Characters

Medium62.5%
LeetCode
8

Reverse Integer

Medium62.5%
LeetCode
9

Container With Most Water

Medium62.5%
LeetCode
10

Longest Common Prefix

Easy62.5%
LeetCode
11

3Sum

Medium62.5%
LeetCode
12

Remove Duplicates from Sorted Array

Easy62.5%
LeetCode
13

Find the Index of the First Occurrence in a String

Easy62.5%
LeetCode
14

Valid Parentheses

Easy62.5%
LeetCode
15

Jump Game

Medium62.5%
LeetCode
16

Sort Colors

Medium62.5%
LeetCode
17

Best Time to Buy and Sell Stock

Easy62.5%
LeetCode
18

Single Number

Easy62.5%
LeetCode
19

Majority Element

Easy62.5%
LeetCode
20

Second Highest Salary

Medium62.5%
LeetCode

Tips for Success at Tcs

  • Practice the top 30 most frequently asked Tcs LeetCode questions.

  • Focus on Medium-difficulty problems — they make up the majority of Tcs coding interviews.

  • Time yourself: aim to solve each Tcs interview problem in 20-30 minutes.

  • Use Aissence's AI interview copilot to get real-time feedback on your coding solutions.

  • Practice explaining your thought process out loud — communication is key.

  • Review the acceptance rates to understand problem difficulty relative to other candidates.

  • Start with the highest-frequency Tcs questions before tackling rarely-asked ones.

  • Combine coding practice with system design and behavioral preparation for a complete strategy.

How Aissence Helps You Ace Tcs Interviews

Aissence provides AI-powered interview coaching tailored specifically to Tcs's interview process. Practice with realistic mock interviews that mirror Tcs's 4-round format, get real-time feedback on your coding solutions, and receive personalized tips based on your performance.

  • Mock interviews simulating Tcs's actual format
  • Real-time AI coding copilot for live interviews
  • Behavioral answer coaching with STAR method feedback
  • System design practice with AI-generated follow-ups
  • 42-language support for global candidates
Start Preparing Free

Frequently Asked Questions

How many LeetCode questions should I practice for Tcs?
For Tcs interviews, we recommend practicing the top 50 most frequently asked questions from our curated list of 240 problems. Focus on understanding patterns rather than memorizing solutions. Use Aissence's AI copilot to practice these questions with real-time feedback.
What is the difficulty level of Tcs coding interviews?
Tcs coding interviews typically include Easy, Medium, and Hard problems. Our curated list of 240 questions includes the actual problems reported by candidates, sorted by frequency and difficulty.
How can I prepare for Tcs interviews with Aissence?
Aissence provides AI-powered interview preparation specifically tailored to Tcs. Practice mock interviews that simulate Tcs's actual format, get real-time coding assistance, and receive personalized feedback on your solutions.
What programming languages does Tcs accept?
Tcs typically accepts most mainstream programming languages including Python, Java, C++, JavaScript, and Go. Choose the language you're most comfortable with for data structures and algorithms.
Are these the actual Tcs interview questions?
Yes, these 240 questions are sourced from LeetCode's company-wise interview question database and represent the most frequently reported problems in Tcs coding interviews.

Prepare for Your Tcs Interview

Get AI-powered mock interviews, real-time coding assistance, and personalized coaching tailored to Tcs's interview process.

Start Preparing Free
Share: