70 Questions
Which of the following sorting algorithms has a worst-case time complexity of O(n^2)?
Insertion Sort
Which of the following sorting algorithms is not an in-place sorting algorithm?
Merge Sort
Which of the following sorting algorithms is based on the divide-and-conquer strategy?
Quick Sort
Which sorting algorithm is considered the simplest and compares each neighboring number in an array?
Bubble Sort
Which algorithm involves going through a pile, comparing each item to the first, and swapping places if necessary until the minimum item is in the correct location?
Insertion Sort
What is the purpose of white-boarding in the context of algorithmic problem-solving?
To assess a developer's ability to think critically through algorithms
Which sorting algorithm is considered to be one of the fastest?
Merge Sort
Which sorting algorithm sorts from the smallest element to the highest?
Selection Sort
Which sorting algorithm sorts the lowest elements to be closer to the left?
Bubble Sort
Which sorting algorithm has a worst-case time complexity of O(n^2)?
Quicksort
Which of the following statements is true about sorting algorithms?
Sorting algorithms can sort any type of data
What is the best-case scenario for a sorting algorithm's pivot position?
The pivot can be anywhere in the data-set
What is one reason to be grateful for sorting algorithms?
Sorting algorithms save time by automatically organizing data
Which of the following is an example of an online sorting algorithm?
Insertion sort
Which of the following sorting algorithms has a worst-case time complexity of O(n^2)?
Selection sort
Which of the following sorting algorithms is based on the divide-and-conquer strategy?
Merge sort
Which of the following sorting algorithms is an external algorithm?
Merge sort
Which of the following is true about comparison-based sorting algorithms?
They have a lower bound of O(nlogn)
Which of the following sorting algorithms has a time complexity faster than O(nlogn)?
Counting sort
Which of the following sorting algorithms is not an in-place sorting algorithm?
Quicksort
Which of the following is true about stable sorting algorithms?
They preserve the relative order of elements with the same value
Which of the following is the correct time complexity for Quicksort?
$O(n \log(n))$
What is the purpose of a pivot in Quicksort?
To determine the position of elements in the dataset
Which element is conventionally used as the first pivot in Quicksort?
The first or last element
Which of the following sorting algorithms requires access to the entire input during the sorting process?
Selection sort
Which of the following factors does NOT affect the choice of the best sorting algorithm?
Stability
Which of the following statements is true about sorting algorithms and problem-solving?
Sorting algorithms are frequently used as a key technique in problem-solving
Which of the following sorting algorithms involves splitting a deck of cards into halves and then regrouping and sorting them in ascending order?
Merge Sort
Which of the following sorting algorithms compares each neighboring number in an array and swaps them if necessary until the list is in ascending order?
Bubble Sort
Which of the following sorting algorithms involves going through a pile, comparing each item to the first, and swapping places if necessary until the minimum item is in the correct location?
Insertion Sort
Which of the following sorting algorithms has the worst-case time complexity of O(n^2)?
Bubble Sort
Which of the following sorting algorithms is an external algorithm?
Merge sort
Which of the following sorting algorithms is based on the divide-and-conquer strategy?
Quicksort
Which of the following sorting algorithms has a time complexity faster than O(nlogn)?
Counting sort
Which of the following sorting algorithms is not an in-place sorting algorithm?
Heap sort
Which of the following is NOT a reason to be grateful for sorting algorithms?
Sorting algorithms save time and effort in sorting large amounts of data
Which sorting algorithm is known for comparing each neighboring number in an array and swapping them if necessary until the list is in ascending order?
Selection Sort
What is the purpose of a pivot in Quicksort?
To divide the array into smaller subarrays
Which type of sorting algorithm has a lower bound of O(nlogn) for its time complexity?
Comparison-based sorting algorithm
Which of the following sorting algorithms has a time complexity faster than O(nlogn)?
Counting sort
Which of the following sorting algorithms is not an in-place sorting algorithm?
Quicksort
Which of the following statements is true about stable sorting algorithms?
They preserve the relative order of elements with the same value
Which sorting algorithm sorts the lowest elements to be closer to the left?
Bubble Sort
What is the main difference between Bubble Sort and Selection Sort?
Bubble Sort sorts from lowest to highest, while Selection Sort sorts from highest to lowest.
What is the purpose of a pivot in Quicksort?
To compare other elements in the data-set and determine their correct position.
What is the best-case scenario for the initial pivot position in Quicksort?
The initial pivot is a random element in the data-set.
Which of the following sorting algorithms has a worst-case time complexity of $O(n^2)$?
Selection Sort
Which of the following sorting algorithms is an external algorithm?
Merge Sort
Which of the following statements is true about stable sorting algorithms?
Stable sorting algorithms maintain the relative order of elements with equal keys.
Which sorting algorithm is considered to be one of the fastest?
Quicksort
Which of the following sorting algorithms is considered the simplest?
Bubble Sort
Which of the following sorting algorithms involves splitting a deck of cards into halves and then regrouping and sorting them in ascending order?
Merge Sort
Which of the following sorting algorithms requires access to the entire input during the sorting process?
Insertion Sort
Which of the following sorting algorithms is considered the simplest and compares each neighboring number in an array?
Selection Sort
Which of the following sorting algorithms involves splitting a deck of cards into halves and then regrouping and sorting them in ascending order?
Merge Sort
What is the purpose of white-boarding in the context of algorithmic problem-solving?
To assess critical thinking abilities
Which of the following sorting algorithms has a worst-case time complexity of $O(n^2)$?
Bubble Sort
What is the purpose of a pivot in Quicksort?
To determine the correct position of other elements in the data-set
Which sorting algorithm involves splitting a deck of cards into halves and then regrouping and sorting them in ascending order?
Merge Sort
Which of the following sorting algorithms involves comparing each neighboring number in an array and swapping them if necessary until the list is in ascending order?
Bubble Sort
Which of the following sorting algorithms involves going through a pile, comparing each item to the first, and swapping places if necessary until the minimum item is in the correct location?
Insertion Sort
Which of the following sorting algorithms involves splitting a deck of cards into halves and then regrouping and sorting them in ascending order?
Merge Sort
Which of the following sorting algorithms has a worst-case time complexity of $O(n^2)$?
Bubble Sort
Which of the following is true about selection sort?
Selection sort is an offline sorting algorithm.
Which of the following is a key reason to learn sorting algorithms?
To master problem-solving and time complexity analysis of algorithms.
What factors should be considered when choosing the best sorting algorithm?
Size of the input data, order of the data, memory usage, stability, performance, etc.
Which of the following sorting algorithms is an example of an in-place sorting algorithm?
Quick Sort
Which of the following is true about stable sorting algorithms?
They preserve the relative order of elements with the same value
Which of the following sorting algorithms has a worst-case time complexity of O(n^2)?
Selection Sort
Which of the following sorting algorithms is based on the divide-and-conquer strategy?
Merge Sort
Test your knowledge on basic sorting algorithms and their functions. Identify the sorting algorithm with a worst-case time complexity of O(n^2), the non-in-place sorting algorithm, and the algorithm based on the divide-and-conquer strategy.
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