OPERA Software Engineer Interview Questions and Answers

Round duration - 60 Minutes
Round difficulty - Easy

Interviewer started with asking me about myself and my family background then he asked me about my preffered location for job , i told him Delhi NCR so he then asked me why Delhi NCR ? He had my written test answer sheet with him , i had left few Dbms question due to limited time in written test , he told me to solve them. Then he asked me about my area of interests ( Data Structures , OOPS , Operating System ) and he asked me , ” What do you mean by loosely coupled?” i explained it well , he was satisfied.
Then he asked me , ” Do you have any question for me ?”. I asked him about work culture in opera solutions , what are the career opportunities and what technologies opera use.
I was selected for next round.

Q1. 
Pair Sum Problem Statement
Given an integer array ARR of size N and an integer S, your goal is to return a list of all pairs of elements such that the sum of elements of each pair equals S.
Example:
Inp...read more
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Round duration - 90 Minutes
Round difficulty - Easy

gave me 2 coding question and 1 system designing question to solve.

Q1. 
Product Array Puzzle Problem Statement
You are provided with an array of integers. You need to compute another array such that each element in this new array is the product of all elements in the original...read more
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Q2. 
Game of 3 Problem Statement
Help the Ultimate Ninja Ankush form groups of integers such that the sum of each group is divisible by 3. Given an array of integers, count how many groups of sizes 2 and 3 can...read more
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