Tor.ai Software Developer Interview Questions and Answers

Q1. Tell me about your Project and why you use this tech for this project.
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Q2. Find the mid element in the link list.
Ans. 
To find the mid element in a linked list, use two pointers - one moving at double the speed of the other.
• Initialize two pointers, slow and fast, both pointing to the head of the linked list.

• Move the slow pointer by one step and the fast pointer by two steps until the fast pointer reaches the end of the list.

• The element pointed to by the slow pointer at this point is the mid element of the linked list.
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Personal information, qualification,working or not

Q1. Job related questions
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Q2. Salary discussion and job description
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Q3. Role of the working and project discussion
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Q1. Inverted right angle triangle
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Q1. You have a hotel and how will you create a complete schema for hotel
Ans. 
To create a complete schema for a hotel, you need to consider various entities like rooms, guests, reservations, staff, amenities, etc.
• Entities to include: rooms, guests, reservations, staff, amenities, invoices, payments

• Relationships between entities: guest stays in a room, staff manages reservations, amenities are available in rooms

• Attributes for each entity: room number, guest name, reservation date, staff ID, ameni
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Q1. They will ask you about core java
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Basic Programming questions such as string reverse,sum of digits,reverse a number,convert character into binary number,count of a string.

Q1. Introduction About strings About arrays Oops principles Resume related questions
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Q2. Polymorphism Inheritance Interface Abstraction
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Round duration - 25 minutes
Round difficulty - Easy

This was face to face interview round. All questions asked by the interviewer were based on data structures.

Q1. Detect loop
Detect loop in linked list.
Ans. 
• I told the interviewer about two pointers approach that is using the concept of the slow and fast pointer. Then he asked me to write its code which I wrote very neatly with comments in the code.
Answered by CodingNinjas
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Q2. Tree Symmetricity
Given a binary tree, check whether it is a mirror of itself.
 
For example, this binary tree is symmetric:
 
       1
    /      \
  2...read more
Ans. 
• I just give recursion based approach to the interviewer by checking the current root and calling the recursion on the left and right part. Also after the discussion of approach I wrote its functional code to the interviewer.
Answered by CodingNinjas
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Q3. Anagram Pairs
Check whether two given strings are anagram or not.
Ans. 
• I firstly gave sorting and comparing solution, but he asked me to optimize it so I gave him a hashing based solution and he was satisfied by my approach.
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