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A Common-Sense Guide to Data Structures and Algorithms, Second Edition by Jay Wengrow @jaywengrow
Hi,
I have the paperback version of t...
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Hi @jaywengrow,
I think the table of Selection Sort shows wrong Max number of steps.
For example, for N = 5 we sould have:
Comparsion...
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Hello! Thanks for the great book.
I was attempting the Trie (chap 17) exercises and for number 4 the solution provided for the autocorre...
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In chapter 6,
Page 93/438.
"But now, in the best-case scenario, where the two arrays are identical, we only have to perform N co...
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Hi,
on page 430 of the book, in the paragraph “Change the Data Structure”, it is written:
Our previous suggestion of sorting the two s...
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Hello,
On page 345, towards the end. This page is explaining the Depth-First Search on Graphs. Towards the end of step 17, “Gina has two...
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Hello,
Can you please check the time complexity of “Count the Ones” on page 102? I got confused. It has 2 loops (outer and inner). Let’s...
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A Common-Sense Guide to Data Structures and Algorithms, Second Edition by Jay Wengrow @jaywengrow
In the book on page 224, in the exerci...
New

A Common-Sense Guide to Data Structures and Algorithms, Second Edition by Jay Wengrow @jaywengrow
Hi,
I have the paperback version of t...
New

A Common-Sense Guide to Data Structures and Algorithms, Second Edition by Jay Wengrow @jaywengrow
Hi,
in the book, to page 467, you say...
New

A Common-Sense Guide to Data Structures and Algorithms, Second Edition by Jay Wengrow @jaywengrow
Hi,
in the book version, in the page ...
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Hi, I am trying to convert the ruby code of Quickselect into python and I noticed that I have to add return statements in the if else con...
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In the final paragraph on page 315, the text reads, “…that will have no affect on the speed of our search.”
The word “effect” should be ...
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There are two provided implementations for the number_of_paths function. The ‘hardcoded’ version is correct, but the simplified version i...
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Hi, in page 54, there is a line that begins with “To put it this in a way that would hold true…”. I believe it should read “To put this i...
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Algorithms and data structures are much more than abstract concepts. Mastering them enables you to write code that runs faster and more e...
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Think Again 50% Off Sale »
The theme of this sale is new perspectives on familiar topics.
Enter coupon code ThinkAgain2021 at checkout t...
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In the answers for the Chapter 13 exercises, there are several uses of JavaScript’s array.sort() to sort an array of numbers. However, th...
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Hello! It’s Jay Wengrow, author of A Common-Sense Guide to Data Structures and Algorithms. My book now has a supplemental website, where ...
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In the graph on page 41, the arrow leading from O(log n) points to the O(1) function instead of to the O(log n) function.
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On page 331, the subtitle says “Code Implementation: Trie Search,” but the section is about insertion, so it should be “Code Implementati...
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Hi Jay and Brian. This is Margaret creating a test errata post for your book to make sure that you both receive the email notifications a...
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Title: A Common-Sense Guide to Data Structures and Algorithms, Second Edition
Example: Incorrect time complexity (page 55)
Notice the ...
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At the bottom of page 85, “position that is greater or equal” should be “smaller”. That is, the loop should stop running once it encounte...
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In the middle of the page is this sentence:
“Once we find the 4, we can delete it one step:”
This should instead read, “Once we find th...
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On page 91, there’s an example of an array intersection function that uses a double equals in its comparison line:
if (firstArray[i] == ...
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The word “make” is omitted in the phrase “make this magic come alive” in Chapter 20. (more details in the screenshot)
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A Common-Sense Guide to Data Structures and Algorithms, Second Edition by @jaywengrow:
page 326 - missing param
on the def autocomplete...
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Title: A Common-Sense Guide to Data Structures and Algorithms, Second Edition by Jay Wengrow @jaywengrow: (chapter7_p.105)
Example: Get...
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On page 271 the first paragraph begins, “We then take return value of lift and make it…”
This should instead read, “We then take the ret...
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