Describe an advanced data structure : Find the Given-Length Subarray with the Maximum Minimum

Describe an advanced data structure : Find the Given-Length Subarray with the Maximum Minimum

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains how to find subarrays of a given length with the maximum minimum value. It introduces the problem and discusses a naive O(N^2) solution. The tutorial then explains data structures like stacks, queues, and deques, focusing on how a deque can optimize the solution to O(N). The implementation of the deque solution is detailed, followed by testing and debugging to ensure correctness.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main goal when finding the maximum minimum of a given length subarray?

To find the smallest element in the array

To find the largest element in the array

To find the subarray with the largest minimum value

To find the subarray with the smallest maximum value

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key characteristic of a deque data structure?

It is a last in, first out structure

It is a first in, first out structure

It allows insertion and removal only from one end

It allows insertion and removal from both ends

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do we remove elements from the deque that are larger than the current element?

Because they are no longer needed for the maximum calculation

Because they cannot contribute to the minimum of the subarray

Because they are already part of another subarray

Because they are duplicates

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main advantage of using a deque over a trivial O(N^2) solution?

It provides more accurate results

It uses less memory

It is easier to implement

It reduces the time complexity to O(N)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if the distance between the current element and the first element in the deque is larger than the given length?

The current element is added to the deque

The deque is reset

The first element in the deque is removed

The current element is ignored

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the deque help in maintaining the minimum of subarrays?

By storing the sum of elements

By storing indices of potential minimum elements

By storing only the maximum elements

By keeping all elements in sorted order

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of appending indices instead of elements to the deque?

To ensure the deque is always sorted

To simplify calculations for removing elements that are too far

To avoid duplicate elements

To save memory space

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