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Sony Interview Questions

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Decimal To Binary

Today, we're going to do some math! There is only one prerequisite for answering this question, and it is knowing the definitions of binary and decimal . According to How to Convert Decimal to Binary and Binary to Decimal https: techterms.com definition binary , binary is a numeric system th...

Difficulty: 5/10

Identical Trees

Can you write a function to see if two binary trees are identical? 1 1 2 3 2 3 The above two trees share the same structure in terms of shape and location of each parent nodes' children. Additionally, each corresponding nodes at every posit...

Difficulty: 4/10

Targets and Vicinities

You're playing a game with a friend called **Target and Vicinity**. *Target and Vicinity* consists of one person thinking up a number in their head, and the other guessing that number. Sounds simple enough the caveat is that we also want to credit close guesses. To estimate the proximity of the ...

Difficulty: 6/10

The Coin Change Problem

If I give you coins of denominations 3, 7, 9 a coin worth 3 cents, a coin worth 7 cents, etc. , can you tell me the minimum number of coins that are needed to make a total of 37 ? You can assume that an infinite supply of all these coins are available to you. This challenge is about so...

Difficulty: 8/10

Array Intersection

As we ease our way into the course, we'll want to start with the basic data structures and their operations. However, don't be fooled how fundamental these things are! Interviewers will often test you on things that are deceptively easy. We saw this in Reverse a String challenges reverse a stri...

Difficulty: 2/10

Remove Duplicates From Array

Given an array, return another array with just the ordered unique elements from the given array. In other words, you're removing any duplicates. Note: Order needs to be preserved, so no sorting should be done. And the order should be maintained with the first occurrence of the element in the given...

Difficulty: 4/10

Next Greater Element in a Circular Array

A circular array challenges next larger in a circular array is one where the next element of the last element is the first element. You know how standard arrays look. Instead of 1, 2, 3, 4 , imagine the following, where after index 7 , we'd move back to index 0 . Can you write ...

Difficulty: 6/10

Exception Handling

Introduction to Exception Handling Exception handling is a crucial aspect of software development. It allows developers to gracefully handle and recover from unexpected errors or exceptional situations that may occur during program execution. In simple terms, an exception is an event that occur...

Difficulty: 5/10

Preparing for Frontend Development Interviews

Introduction Welcome to the Preparing for Frontend Development Interviews tutorial! This tutorial is designed to provide you with a comprehensive understanding of frontend development and help you prepare for frontend development interviews. In this tutorial, we will cover the following topics...

Difficulty: 5/10

JavaScript Array Methods

Introduction to JavaScript Array Methods JavaScript arrays are powerful data structures that allow you to store multiple values in a single variable. They are widely used in JavaScript programming and are essential for manipulating and working with collections of data. JavaScript provides a va...

Difficulty: 5/10

Data Monitoring and Performance Optimization

Introduction to Data Monitoring Data monitoring is a critical aspect of the data engineer's role. It involves tracking, analyzing, and managing data to ensure its accuracy, reliability, and timeliness. By monitoring data, engineers can identify potential issues, detect anomalies, and take proact...

Difficulty: 5/10

Variables and Data Types

**Unlock Your Full Potential with AlgoDaily!** We hope you're enjoying this course. At AlgoDaily, our aim is to transform complex coding challenges into engaging, bite sized lessons. And while our free lessons give you a glimpse of this transformative experience, there's so much more in store. ...

Difficulty: 5/10