TCS interview experience Real time questions & tips from candidates to crack your interview
System Engineer
TCS
2 rounds | 2 Coding
problems
Selected Interview preparation journey
Journey
My journey started in college when I first learned to code. Since then, I have practiced a lot on Code Studio. Later on, I also tried competitive programming. Along with DSA, I made sure to maintain a good CGPA.
Application story
I saw a post from an HR person on LinkedIn and requested that they consider it. After almost seven days of applying, I received an email from HR stating that I have been shortlisted to sit for further interview rounds.
Why selected/rejected for the role?
I was selected because of my strong knowledge of core fundamentals and DSA. I provided optimized approaches for almost all the coding questions that I was asked and did a dry run as well. Confidence is the key to success in interviews.
Preparation
Duration: 3 months
Topics: Data Structures, OOPS, System Design, Algorithms, Dynamic Programming, OS
Tip 1: You should know everything you write on your resume.
Tip 2: Practice a lot of programming problems and participate in competitive programming contests.
Application process
Where: Linkedin
Eligibility: No
Tip 1: Be honest about what you write in your resume.
Tip 2: You should have at least 3 projects.
Interview rounds
01
Round
Medium
Video Call
Duration60 minutes
Interview date5 Apr 2022
Coding problem1
1. Maximum Path Sum Between Two Leaves
Hard
50m average time
35% success
0/120
Asked in companies
You are given a non-empty binary tree where each node has a non-negative integer value. Return the maximum possible sum of path between any two leaves of the given tree.
The path is also inclusive of the leaf nodes and the maximum path sum may or may not go through the root of the given tree.
If there is only one leaf node in the tree, then return -1.
02
Round
Hard
Video Call
Duration60 minutes
Interview date9 Apr 2022
Coding problem1
1. System Design
Design a reservation and payment system for the parking garage.
Problem approach
Tip 1: I clarified the requirements of the Parking Garage and worked on it step by step.
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
How do you remove whitespace from the start of a string?
Choose another skill to practice
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