December 2017
Beginner
412 pages
10h 8m
English
Content preview from Practical Programming, 3rd EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Merge Sort: A Faster Sorting Algorithm
There are several well-known, fast sorting algorithms; merge sort, quick sort, and heap sort are the ones you are most likely to encounter in a future computer science course. Most of them involve techniques that we haven’t taught you yet, but merge sort can be written to be more accessible. Merge sort is built around the idea that taking two sorted lists and merging them is proportional to the number of items in both lists. The running time for merge sort is N log2 N.
We’ll start with very small lists and keep merging them until we have a single sorted list.
Merging Two Sorted Lists
Given two sorted lists L1 and L2, we can produce a new sorted list by running along L1 and L2 and comparing pairs of elements. ...
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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.