Mark likes to listen to music while travelling. His iPod™ contains N songs and he wants to listen to L (not necessarily different) songs during a trip. So he creates a playlist such that: • Every song is played at least once. • A song can be played again only if at least K other songs have been played Mark wants to know how many different playlists are possible. Can you help Mark determine this number? As the number can be very large, display number modulo 1,000,000,007. You are given N, K and L.
Engenheiro Interview Questions
Engenheiro Interview Questions
Os(as) engenheiros(as) são responsáveis por desenvolver e construir produtos. Em uma entrevista, prepare-se para responder sobre sua competência técnica e sua habilidade para trabalhar em equipe para conseguir criar coisas. As perguntas específicas que você deverá responder dependerão do tipo de cargo de engenharia que você está procurando, por exemplo, se é uma determinada disciplina da engenharia, como software, elétrica ou mecânica.
Principais perguntas de entrevista para engenheiro(a) e como respondê-las
Pergunta 1: Qual é o projeto de engenharia mais complicado no qual já trabalhou e o que você fez para garantir um resultado de sucesso?
Pergunta 2: Na sua função atual, que medidas você toma para evitar cometer erros?
Pergunta 3: Descreva uma situação na qual teve de lidar com um cliente ou alguma parte interessada difícil.
395,347 engenheiro interview questions shared by candidates
If you have a file containing millions of integers, how would you sort the data in the file using extremely limited resources, such a s 1GB of memory?
evaluate an expression following BODMAS rules
Given an input string and a target string, find the minimum substring of the input string that contains all of the characters in the target string
Recently I attended the interview at Google and I was asked "You are given a sorted list of disjoint intervals and an interval, e.g. [(1, 5), (10, 15), (20, 25)] and (12, 27). Your task is to merge them into a sorted list of disjoint intervals: [(1, 5), (10, 27)]."
First round was online test which contains 75 aptitude,reasoning and english questions and 5 programs you have to execute either in c++ or java.Online test is conducted by deselect.this pattern is similar to the amcat pattern.
Reversing a string
products sales +------------------+---------+ +------------------+---------+ | product_id | int |------->| product_id | int | | product_class_id | int | +---->| store_id | int | | brand_name | varchar | | +->| customer_id | int | | product_name | varchar | | | | promotion_id | int | | price | int | | | | store_sales | decimal | +------------------+---------+ | | | store_cost | decimal | | | | units_sold | decimal | | | | transaction_date | date | | | +------------------+---------+ | | stores | | customers +-------------------+---------+ | | +---------------------+---------+ | store_id | int |-+ +--| customer_id | int | | type | varchar | | first_name | varchar | | name | varchar | | last_name | varchar | | state | varchar | | state | varchar | | first_opened_date | datetime| | birthdate | date | | last_remodel_date | datetime| | education | varchar | | area_sqft | int | | gender | varchar | +-------------------+---------+ | date_account_opened | date | +---------------------+---------+ Question 1: What brands have an average price above $3 and contain at least 2 different products? Question 2: To improve sales, the marketing department runs various types of promotions. The marketing manager would like to analyze the effectiveness of these promotion campaigns. In particular, what percent of our sales transactions had a valid promotion applied? Question 3: We want to run a new promotion for our most successful category of products (we call these categories “product classes”). Can you find out what are the top 3 selling product classes by total sales? Question 4: We are considering running a promo across brands. We want to target customers who have bought products from two specific brands. Can you find out which customers have bought products from both the “Fort West" and the "Golden" brands?
You are given a fixed number of 5 rupee, 10 rupee, 20 rupee and 50 rupee stamps. Now given an amount for sending a parcel, you should design an algorithm to come out with the minimum number of stamps that should be used for attaining that amount. For example, if the parcel costed 30 rupees, it could be attained using one 20 rupee stamp and one 10 rupee stamp OR using three 10 rupee stamps OR using one 20 rupee stamp and two 5 rupee stamps OR using one 10 rupee stamp and four 5 rupee stamps OR using two 10 rupee stamps and two 5 rupee stamps. However, the minimum number of stamps is the case of one 20 rupee stamp and one 10 rupee stamp where only two stamps are used. The case where no solution is possible should also be handled, for example, a parcel amount of exactly 33 rupees cannot be attained.
Say you have an unordered list of numbers ranging from 1 to n, and one of the numbers is removed, how do you find that number? What if two numbers are removed?
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