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Symantec Interview Questions

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Sorted Two Sum

The setup is the same as Two Sum challenges two sum you're given an array of numbers, and a "goal" number. Write a method to return an array of the indexes of the two elements in the array that sum up to the goal. If there are no such elements, return an empty array. The caveat here is th...

Difficulty: 5/10

Sum of Perfect Squares

A perfect square is a number made by squaring a whole number. Some examples include 1 , 4 , 9 , or 16 , and so on because they are the squared results of 1 , 2 , 3 , 4 , etc. For example: 1 2 1 2 2 4 3 2 9 4 2 16 ... However, 15 is not a perfect square, bec...

Difficulty: 7/10

Grab a Random Node

Given a linked list, can you write a method to get a random node within it? Let's assume you're given a random node generator. The linked list will have at least 2 nodes, and may look something like this: 1 2 3 4 The odds of getting any number between 1 and 4 inclusive should b...

Difficulty: 4/10

Find Missing Number in Array

We're given an array of continuous numbers that should increment sequentially by 1 , which just means that we expect a sequence like: 1, 2, 3, 4, 5, 6, 7 However, we notice that there are some missing numbers in the sequence. 1, 2, 4, 5, 7 Can you write a method missingNumb...

Difficulty: 4/10

Longest Palindromic Substring

We're given a string that's a mixture of several alphabetical characters. js const str "algototheehtotdaily" Could you write a method to find the longest substring that is considered a palindrome? In the above example, it would be "totheehtot" . Where there are multiple longest ...

Difficulty: 7/10

Implement a Graph

Since a graph lessons simple reference to graphs is one of the more difficult data structures to conceptualize in a programmatic 2D manner, let's go ahead and implement it! We'll go with an adjacency list version. Note that there's also the adjacency matrix method which we will cover later....

Difficulty: 4/10

Contiguous Subarray Sum

Given an array of numbers, return true if there is a subarray that sums up to a certain number n . A subarray is a contiguous subset of the array. For example the subarray of 1,2,3,4,5 is 1,2,3 or 3,4,5 or 2,3,4 etc. js const arr 1, 2, 3 , sum 5 subarraySum arr, sum...

Difficulty: 4/10

Most Strongly Connected

You're given the following multi dimensional array matrix: js const matrix 1, 1, 0, 0, 0 , 0, 1, 1, 0, 0 , 0, 1, 0, 1, 0 , 1, 0, 0, 0, 0 Could you find the largest concentration of connected 1 s in the matrix? Write MostConnectedOnes matrix: array class o...

Difficulty: 8/10

Max Leaps in Jump Game

We have an array that model square blocks on a city street. On each block is a non negative whole number. Ever heard of hopscotch? Picture that as an array: 1, 3, 2, 2, 1 Now, in hopscotch, you need to jump in patterns from the start to the end of the boxes. We can model that behavior in the...

Difficulty: 5/10

Introduction to Frontend Development

Introduction to Frontend Development Frontend development plays a crucial role in creating user friendly and interactive interfaces for websites and applications. As a senior engineer interested in learning the MERN stack, having a solid understanding of frontend technologies is essential. Fro...

Difficulty: 5/10

C++ Libraries for Algo Trading

Introduction to C Libraries In this lesson, we will introduce the concept of C libraries and their importance in algo trading. C libraries are a collection of precompiled functions and classes that provide common functionality to simplify the development process. These libraries contain ...

Difficulty: 5/10

What is Database Sharding? Scaling DBs

In this lesson, we will learn about database sharding. We'll particularly concentrate on the following: 1. Scaling databases. 2. Horizontal partitioning, or sharding of databases. 3. Sharding strategies, their merits, and downfalls. In previous tutorials, we've introduced databases ...

Difficulty: 5/10

Interview Reports

Symantec Interview Questions | Glassdoor...

Symantec interview details: 14 interview questions and 14 interview reviews posted anonymously by Symantec interview candidates.

Symantec Recruitment Process - GeeksforGeeks...

A Computer Science portal for geeks. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview...