Dell Interview Questions

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Delete Nodes From A Linked List

Now that we've implemented a linked list challenges implement a linked list , can you write a method that will delete all nodes of a given value? You're given the following standard structure as the definition of a linked list node: js class LinkedListNode constructor val ...

Difficulty: 4/10

Find Duplicate Words

A very common interview challenge is to determine how often words appear in a given string or set of strings. Here's a version of this: return a list of duplicate words in a sentence. For example, given 'The dog is the best' , returns "the" . Likewise, given 'Happy thanksgiving, I am s...

Difficulty: 4/10

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

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

Bottom Left Node Value

Assume we're using a binary tree lessons an intro to binary trees and search trees in writing a video game via Binary Space Partitioning https: en.wikipedia.org wiki Binary_space_partitioning . We need to identify the bottom left leaf, that is the leftmost value in the lowest row of the bi...

Difficulty: 4/10

Binary Tree Inorder Traversal

Can you write a function to traverse a binary tree **in order**, and print out the value of each node as it passes? 4 5 6 The example would output 4, 6, 5 since there is no left child for 4 , and 6 is visited in order before 5 . The definition of a tree node i...

Difficulty: 3/10

Length of String Compression

Let's define the "compacting" of a string as taking an input like the following: 'sstttrrrr' . We want to take the number of sequential appearances number of times it shows up in a row of each letter: s: 2 t: 3 r: 4 And denote them next to the original character in the string,...

Difficulty: 6/10

Mean Per Level

We are given a binary tree lessons an intro to binary trees and search trees and are tasked with writing a method that determines the average of every level in the tree. So for instance, given the following binary tree, we'd get 2, 5, 7 if the method grabbed the correct means. js ...

Difficulty: 4/10

Detect An Undirected Graph Cycle

Can you detect a cycle in an undirected graph? Recall that an undirected graph lessons simple reference to graphs is one where the edges are bidirectional. A cycle is one where there is a closed path, that is, the first and last graph lessons simple reference to graphs vertices can be the...

Difficulty: 9/10

What Is The Main Purpose Of An Operating System?

Let us begin by answering the question, *What is an Operating System?* An Operating System OS is a program that, once installed on a device, controls, coordinates, and integrates all of the device's application programs. It enables communication between a computer's software and hardware, as il...

Difficulty: 5/10

Binary Trees

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Difficulty: 5/10

CSS Flexbox

Still generating... This lesson is currently still being generated, please wait... thanks! **Please refresh in a minute or two to see updates.** ...

Difficulty: 5/10

Interview Reports

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We present the Dell interview questions, technical as well as HR, for you to prepare and better your chances of getting a step closer to the finishing line.

Dell Interview Questions: Dell Technical interview questions and Dell HR interview questions asked by Dell in campus placement.

Dell Interview Questions | Dell Technical & HR Interview Questions ...

BULLS EYE

Dell Interview Questions: Dell Technical interview questions and Dell HR interview questions asked by Dell in campus placement.

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