Table of Contents
- 1 How many comparisons does a bubble sort have?
- 2 How do you check if an array is already sorted in bubble sort?
- 3 How many total comparisons are required to sort 1024 elements?
- 4 How many passes are required in bubble sort?
- 5 How do you find the number of comparisons in bubble sort?
- 6 What is the absolute worst case for bubble sort?
How many comparisons does a bubble sort have?
Since there are n comparisons for n elements in bubble sort algorithm so there will be approximately n^2 comparisons.
What will be the number of comparisons required to sort a sorted array?
The number of comparisons will be N – 1 times the average length of the sorted list.
How do you check if an array is already sorted in bubble sort?
Bubble sort starts with very first two elements, comparing them to check which one is greater. In this case, value 33 is greater than 14, so it is already in sorted locations. Next, we compare 33 with 27. We find that 27 is smaller than 33 and these two values must be swapped.
How many passes and how many comparisons will the bubble sort algorithm make to sort the input array A N in ascending order if the smallest value is in location A N 2?
To analyze the bubble sort, we should note that regardless of how the items are arranged in the initial list, n−1 passes will be made to sort a list of size n.
How many total comparisons are required to sort 1024 elements?
For a list size of 1024, there are 10 comparisons to reach a list of size one, given that there is one comparison for each division, and each division splits the list size in half. In general, if N is the size of the list to be searched and C is the number of comparisons to do so in the worst case, C = log2N.
How many passes are there in bubble sort which contains n elements?
Three passes will be required; First Pass.
How many passes are required in bubble sort?
It is the simplest sorting algorithm that works by repeatedly swapping the adjacent elements if they are in the wrong order. Compare the neighbours, if greater, swap. Note: Bubble sort with n element required n – 1 passes.
How do you calculate the number of comparisons in merge sort?
Number of total comparison in merge sort = n*log2(n) – (n – 1).
How do you find the number of comparisons in bubble sort?
The total number of comparisons, therefore, is (n – 1) + (n – 2)… (2) + (1) = n(n – 1)/2 or O(n2). The best case for bubble sort occurs when the list is already sorted or nearly sorted. In the case where the list is already sorted, bubble sort will terminate after the first iteration, since no swaps were made.
What is I-1 in bubble sort?
1. Bubble Sort Bubble sort repeatedly compares and swaps (if needed) adjacent elements in every pass. In i-th pass of Bubble Sort (ascending order), last (i-1) elements are already sorted, and i-th largest element is placed at (N-i)-th position, i.e. i-th last position.
What is the absolute worst case for bubble sort?
The absolute worst case for bubble sort is when the smallest element of the list is at the large end. Because in each iteration only the largest unsorted element gets put in its proper location, when the smallest element is at the end, it will have to be swapped each time through the list,…
How do you do bubble sort in Python?
Bubble sort algorithm requires a pair of nested loops. The outer loop must iterate once for each element for the given elements i.e, n times. while the inner loop iterates n times for first iteration , n-1 times for second iteration , n-2 times for third iteration and this process continues.
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