'Coding has over 700 languages', '67% of programming jobs aren’t in the technology industry', 'Coding is behind almost everything that is powered by electricity'
Tata Consultancy Services (TCS) interview experience Real time questions & tips from candidates to crack your interview
SDE - 1
Tata Consultancy Services (TCS)
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3 rounds | 7 Coding problems
Interview preparation journey
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Preparation
Duration: 2 months
Topics: Data structures, OOPS, algorithms, python basics, Mysql queries, user interface, front end development, DBMS
Tip
Tip

Tip 1 : Do the good projects so that you can understand concepts deeply
Tip 2 : practice coding , coding related question online and try to participate in coding challenges as possible 
Tip 3 : Do internship in good company so that you get a good project

Application process
Where: Campus
Eligibility: Above 7CGPA
Resume Tip
Resume tip

Tip 1 : Resume should be clear and understandable. its should be clean and neatly organized
Tip 2 : have some projects, achievements on resume so that it attracts the interviewer

Interview rounds
01
Round
Medium
Online Coding Interview
Duration180 minutes
Interview date25 Oct 2020
Coding problem4

My slot was on between 8.00am to 11.00am. It was a nice experience. The test was conducted through online. this was my first time writing online so i was afraid but the environment was very nice. it was a camera protected test. It included Aptitude, Reasoning and verbal with coding question. Aptitude was somewhat tricky among all. Other than that everything was medium level. They gave online calculator for that. coding was not that difficult. For coding we need to have basic knowledge of languages. overall it was not much difficult and not easy also.

1. Aptitude Question

On a 26-question test, five points were deducted for each wrong answer and eight points were added for each correct answer. If all the questions were answered, how many were correct if the score was zero?

1) 10

2) 11

3) 12

4) 13

2. Factorial
Moderate
25m average time
70% success
0/80
Asked in companies
HCL TechnologiesCognizantWells Fargo

You are given an integer ‘N’. You have to print the value of Factorial of ‘N’. The Factorial of a number ‘N’ is defined as the product of all numbers from 1 to ‘N’.

For Example:
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3. Jar of Candies
Easy
20m average time
80% success
0/40
Asked in companies
Tata Consultancy Services (TCS)AdobeOla

There is a jar full of candies for sale at a mall counter. Jar has the capacity ‘N’. That is, jar can contain maximum ‘N’ candies when a jar is full. At any point in time jar can not have 0 or...

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4. Technical Question

What is the term given to the variable whose scope is beyond all the scopes i.e., it can be accessed by all the scopes?
a. universal variable
b. global variable
c. external variable
d. auto variable

02
Round
Medium
Video Call
Duration20 minutes
Interview date21 Nov 2020
Coding problem2

The total timing was 20 min. They asked wide range of questions here from DBMS, python, Data structures etc. the interviewer was friendly.

1. DBMS Questions

What is database? 
Explain joins.
Explain all types of normalisation.
What is deadlock how can we over come from that.
What are transaction. Types.
Explain about locks.
What is grouping?
Gave 2 queries to write one is normal another nested.

2. Data Structure and Python Questions

Data structures: 
What is ds. Explain types.
Tell me about sorting techniques.
What is avl tree. Traversal of tree.
Some tree algorithms like dfs,bfs.
About max and min heap.

Python:
How python will store memory.
As in java we have garbage collector what we have in python?
Told me to write code for Fibonacci series.
Recursion in python
Python data struc...

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03
Round
Easy
HR Round
Duration10 minutes
Interview date21 Nov 2020
Coding problem1

The round was to know about our behaviour. the interviewer was friendly and interactive.

1. Basic HR Questions

How do you feel about working weekends and night shifts?

Where do you see yourself in 5 years?

Problem approach

Tip 1 : Try to answer in simple and kind way
Tip 2 : have a smile on your face and try to answer in convincing way
 

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