August 2020
Intermediate to advanced
508 pages
11h 53m
English
book
A Common-Sense Guide to Data Structures and Algorithms, Second Edition, 2nd Edition
by Jay Wengrow
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The Efficiency of Bubble Sort
The Bubble Sort algorithm contains two significant kinds of steps:
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Comparisons: two numbers are compared with one another to determine which is greater.
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Swaps: two numbers are swapped with one another in order to sort them.
Let’s start by determining how many comparisons take place in Bubble Sort.
Our example array has five elements. Looking back, you can see that in our first pass-through, we had to make four comparisons between sets of two numbers.
In our second pass-through, we only had to make three comparisons. This is because we didn’t have to compare the final two numbers, since we knew that the final number was in the correct spot due to the first pass-through.
In our third pass-through, we made two comparisons, ...
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