Roothoot Software Engineer Interview Questions and Answers

Q1. Given an array Reverse array
Ans. 
Reverse array of strings
• Iterate through the array and swap elements from start to end

• Use two pointers, one at the beginning and one at the end, and swap elements until they meet
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Q2. Giaven a string Reverse string
Ans. 
Reverse a given string
• Use built-in functions like reverse() or loop through the string in reverse order

• Create a new string and append characters from the original string in reverse order

• Convert the string to an array of characters, reverse the array, and then join it back into a string
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Q3. Given array find sum of all elements
Ans. 
Calculate sum of all elements in a given array of strings
• Iterate through the array and convert each element to integer before adding to sum

• Handle edge cases like empty array or non-numeric elements

• Return the final sum after iterating through all elements
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Question based on array string linkedlist

60min of aptitude and coding test

2 questions on coding test

Q1. Operate or control a particualar typing of data device that is attached to a computer
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Q2. Operate or contriol
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Q3. In computing a device driver is a computer program that operates or controls a particular type of device that is attached to a computer or automaton
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Q4. To perform some manual act upon a human body in a methodical manner, and usually with instruments, with a view to restore soundness or health, as in amputation, lithotomy, etc.
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It represents the eligibility of person and thinking process ,view of thoughts

Q1. We cannot judge people to atonce chance
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Skills ,fast typing , experienced ,new ideas

Q1. All the knowledge of technical work and word
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Deeply study case and make a point to make attractive

Most rounds were regarding English proficiency and 1 round regarding logical reasoning

Q1. What is your family background?
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Q2. Why should we hire you?
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Q3. What are your strengths and weaknesses?
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Q4. Tell me about yourself.
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Questions related to reasoning, some puzzles.

Coding problems related to C.

Q1. Question related to 3 candle puzzle.
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Q2. Linked List Graph Queue Algorithm
Ans. 
Linked List Graph Queue Algorithm is a data structure used to represent graphs and perform operations on them.
• Linked List Graph Queue Algorithm is used to represent graphs as a collection of nodes and edges.

• It is used to perform operations like traversal, searching, and sorting on graphs.

• It is implemented using linked lists to store the nodes and edges of the graph and a queue to perform operations on them.

• Example: Bre...read more
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