Quick Sort

Quick Sort

University

10 Qs

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Quick Sort

Quick Sort

Assessment

Quiz

Information Technology (IT)

University

Practice Problem

Medium

Created by

Amina Amina

Used 4+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In Quick Sort, which of the following is a common strategy for selecting the pivot element?

Choosing the first element

Choosing a random element

Choosing the median of the first, middle, and last elements

all of the above

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is Quick Sort?

A sorting algorithm that divides the array into smaller parts and sorts them independently.
(Алгоритм сортировки, который делит массив на меньшие части и сортирует их независимо.)

A divide-and-conquer algorithm that sorts items by partitioning an array into sub-arrays.
(Алгоритм «разделяй и властвуй», который сортирует элементы путем разделения массива на подмассивы.)

A linear search algorithm that finds the correct order of elements.
(Алгоритм линейного поиска, который находит правильный порядок элементов.)

An algorithm that sorts the array by repeatedly swapping adjacent elements.
(Алгоритм, который сортирует массив, постоянно меняя местами соседние элементы.)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the time complexity of Quick Sort in the best case

O(n)

O(log n)

O(n²)

O(n log n)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the time complexity of Quick Sort in the worst case?

O(n log n)

O(n)

O(n²)

O(log n)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In which situation does the worst case time complexity of Quick Sort occur?

When the pivot divides the array into two nearly equal halves.
(Когда опорный элемент делит массив на две почти равные части.)

When the array is already sorted or reverse sorted.
(Когда массив уже отсортирован или отсортирован в обратном порядке.)

When a random pivot is chosen.
(Когда выбирается случайный опорный элемент.)

When the array contains only identical elements.
(Когда массив содержит только одинаковые элементы.)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the space complexity of Quick Sort?

O(log n)

O(n)

O(n log n)

O(1)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Stability yes or no

NO

YES

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