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Class 12
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Quick Sort
Quick Sort
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1)
What is the worst case time complexity of Quick Sort?
O(n log n)
O(n)
O(log n)
O(n^2)
2)
What is the space complexity of Quick Sort?
O(n)
O(n^2)
O(log n)
O(n log n)
3)
What is the purpose of the partition step in Quick Sort?
To separate the array into two parts
To compare elements
To sort the array
To find the pivot element
4)
What is the most important factor to consider when choosing a pivot element?
Its size
Its index
Its position in the array
Its value
5)
What is the main idea behind Quick Sort?
To merge and sort
To sort and search
To divide and conquer
To compare and swap
6)
What is the main advantage of Quick Sort over other sorting algorithms?
It is easier to implement
It is more efficient in terms of time
It is more efficient in terms of space
It is faster than other algorithms
7)
What is the best case time complexity of Quick Sort?
O(n log n)
O(n^2)
O(n)
O(log n)
8)
What is the purpose of the partition step in Quick Sort?
To find the pivot element
To sort the array
To separate the array into two parts
To compare elements
9)
What is the purpose of the recursion step in Quick Sort?
To separate the array into two parts
To find the pivot element
To sort the array
To compare elements
10)
What is the average case time complexity of Quick Sort?
O(n log n)
O(n)
O(log n)
O(n^2)