November 2002
Beginner
432 pages
11h 44m
English
Content preview from Absolute Beginner's Guide to Programming, Third Edition
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Swapping Values
The cornerstone of any sorting algorithm is data swapping. As you sort data, you have to rearrange it, swapping higher values for lower values. As Figure 12.1 shows, swapping values simply means replacing one variable's contents with another's and vice versa.
Figure 12.1. Learn to swap two variable values with code.
Suppose you assign two variables named var1 and var2 with the following statements:
var1 = 65 var2 = 97
The concept of swapping them is simple. How would you do it? If you said the following, you would not be quite correct:
var1 = var2 ' Not quite accurate var2 = var1
Can you see why these two assignment statements ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.