Given an array arr[] consisting of N integers, the task is to construct a Product array of the same size without using division (‘/’) operator… Read More

# Tag Archives: Opera

Given an array arr[] of n integers, construct a Product Array prod[] (of same size) such that prod[i] is equal to the product of all… Read More

Opera Solutions visited our college for full time Software Engineer profile. Selection process was consist of 6 rounds. Total 138 students were there for written… Read More

First round was a test that had 35 questions having negative marks. The test consisted of aptitude, technical questions in dbms, os, programming questions, and there… Read More

A number is called as a Jumping Number if all adjacent digits in it differ by 1. The difference between ‘9’ and ‘0’ is not… Read More

WRITTEN TEST: Consists of questions on: A) General computer Science:- os, networking,library functions in c/c++ etc. B) Data structures and Algorithms(Highest wattage) C) Sq l… Read More

Day 1: Technical MCQ questions (90 mins) Round 1 consists of three sections- general question- contains questions on unix commands, languages etc. programming- questions on errors, output questions dbms-… Read More

Travelling Salesman Problem (TSP): Given a set of cities and distance between every pair of cities, the problem is to find the shortest possible route… Read More

Given a boolean 2D matrix, find the number of islands. A group of connected 1s forms an island. For example, the below matrix contains… Read More

Given an array arr[] of n integers, construct a Product Array prod[] (of same size) such that prod[i] is equal to the product of all… Read More