TCS Software Developer Interview Questions, Process, and Tips

Q1. About yourself Some programming language basic questions Some questions related to what you mentioned in the resume
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Q2. Some questions related to what you mentioned in the resume
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Aptitude test for Java questions

Q1. Technical round for Java and sql
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Q1. Normal interview questions
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Q1. HR speak the company details
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Coding test is Java questions

Round duration - 150 Minutes
Round difficulty - Medium

Timing was 9:00 a.m. to 12:00p.m.
The environment was very user friendly.
No significant activity was observed.
The interviewer was being very friendly and was talking openly just like friends.

Q1. 
Jar of Candies Problem Statement
You are given a jar containing candies with a maximum capacity of 'N'. The jar cannot have less than 1 candy at any point. Given 'K', the number of candies a customer want...read more
Ans. 
Given a jar of candies with a maximum capacity, determine the number of candies left after providing the desired count to a customer.
• Check if the number of candies requested is valid (less than or equal to the total number of candies in the jar)

• Subtract the number of candies requested from the total number of candies in the jar to get the remaining candies

• Return the remaining candies or -1 if the request is invalid
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Round duration - 60 minutes
Round difficulty - Medium

Timing was 4:00 p.m. to 5:00 p.m.
Environment was very good.
No other significant activity was seen.
There were no interviewer for this round as this was just a coding round.

Q1. 
Shuffle Two Strings
You are provided with three strings: A, B, and C. Your task is to determine if C is formed by interleaving A and B. A string C is considered an interleaving of A and B if:
• The lengt...read more
Ans. 
Determine if a string C is formed by interleaving two strings A and B.
• Check if the length of C is equal to the sum of lengths of A and B.

• Ensure all characters of A and B are present in C.

• Verify that the order of characters in C matches the order in A and B.
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Q2. 
Diagonal Sum of Binary Tree
You are given a binary tree with 'N' nodes. Your task is to find and return a list containing the sums of all the diagonals of the binary tree, computed from right to left.
In...read more
Ans. 
Find and return the sums of all diagonals of a binary tree from right to left.
• Traverse the binary tree level by level and keep track of the diagonal sums using a hashmap.

• Use a queue to perform level order traversal of the binary tree.

• For each node, update the diagonal sum based on its level and position in the diagonal.

• Return the diagonal sums in reverse order from rightmost to leftmost diagonal.
Answered by AI
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Round duration - 15 minutes
Round difficulty - Easy

Timing was 12:30 p.m. to 12:45 p.m.
Environment was very good.
No other significant activity was monitored.
The interviewer seemed to have been focused on DSA and technical topics.

Round duration - 15 minutes
Round difficulty - Easy

Timing 1:00 p.m. to 1:20 p.m.
The environment was very good.
No significant activity.
The interviewer was asking questions from the project site which the candidate would we working if selected and also about the working conditions.

Q1. How would you cut a cake into 3 pieces in 3 cuts?
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Round duration - 20 minutes
Round difficulty - Easy

Timing was 1:00 p.m. to 1:20 p.m.
The environment was very good and productive.
No other significant activity.
The interviewer was very good.