Techouts Software Engineer Interview Questions and Answers

2 medium hard level questions. We just have to code and explain it. Platform doesn't have compilers.

Good Knowledge of DSA is required

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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Q1. Basic C++, Multithreading
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Q2. Be prepared for a linked list question
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Includes basic aptitude question with additional questions based on coding languages fundamentals.....

Q1. Question were based on oops concepts. My next question was write a code of binary search and explain it and lastly I was asked an aptitude question ...
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Q2. Write a code of binary search and explain it
Ans. 
Binary search is a search algorithm that finds the position of a target value within a sorted array.
• Divide the array into two halves

• Compare the target value with the middle element

• If the target value matches the middle element, return its position

• If the target value is less than the middle element, search the left half of the array

• If the target value is greater than the middle element, search the right half of the arra...read more
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Basic coding questions with some aptitude questions

Q1. Object oriented programming
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Q2. ArrayList deleting even numbers
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General aptitude and reasoning

General coding questions

Q1. 2 medium coding questions, oops concepts and CS fundamentals
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Q1. Linux basics, coding questions
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It consists of two questions one is easy and another have medium level

Q1. Interview panel consist of 3 persons and asked about OOPS concepts and implementation in C++
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Q2. Asked about use of #define.
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