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11.1.2. Strategy for Sorting
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Practice test
11 questions on this section. Wrong answers show you what to read again.
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Revision test
Mixed questions from across the chapter. Your answers get marked.
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Flashcard drill
3 cards from this lesson. Good the night before a test.
Try these first
- 1.
What is Selection Sort?
Hint
Think about how you arrange numbers in order.
- 2.
What is the time complexity of Selection Sort?
Hint
Consider how many times you loop through the list.
- 3.
What is the main advantage of sorting an array?
- It makes it easier to search for elements
- It increases memory usage
- It complicates retrieval
Hint
Think about how you find items in a sorted list versus an unsorted one.
- 4.
Is Selection Sort an efficient algorithm for large datasets?
- True
- False
Hint
Consider how many iterations are involved in Selection Sort.
- 5.
Implement Selection Sort in Python and test it with an unsorted array of random numbers.
Hint
Remember to iterate through the list multiple times, finding and swapping the minimum.
- 6.
Given a list of integers sorted in descending order, apply Selection Sort and note the performance. What do you observe?
Hint
Consider how looking for the minimum is different in a list that's already sorted.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
1 more question available
Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting