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@jaywengrow
“What is the maximum number of steps it would take to perform a binary search on an array of size 100,000?”
“To solve this,...
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@jaywengrow
It seems that the delete method presented in this book doesn’t handle one case. This function does nothing if we try to remo...
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Most Active Last Three Years
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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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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At the bottom of page 96, “execute three more steps" should be “TWO more steps.” Even numbers have three steps, odd numbers have one...
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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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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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Book: A Common-Sense Guide to Data Structures and Algorithms, Second Edition
Page 320
Function: collectAllWords
Python Version: CPytho...
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The first complete paragraph on page 428 contains this phrase: “But if we make it to end of the loop…”
The word “the” is missing. The se...
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The attached image shows the first paragraph on page 433. Toward the end of the first line, the toggling between serif and sans serif fon...
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Maybe best case of improved Intersection Algorithm perform N2/2 comparisons: A Common-Sense Guide to Data Structures and Algorithms, Seco...
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Hi, I believe the word “remain” in the last line of the second paragraph in page 39 should be replaced by “remains”.
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The last paragraph of the “Change the Data Structure” section begins, “Our using of a hash table…”
Better phrasing would be “Our use of ...
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@jaywengrow
Title: Name of book: description (page number)
Example: Programming Flutter - ‘pub get’ command not working (page 15)
In C...
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@jaywengrow
A Common-Sense Guide to Data Structures and Algorithms - insertion at wrong index (page 140)
I tested the example of a link...
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In the second paragraph under the heading “Wrapping Up”, this sentence:
Speaking of which, in the next chapter, we’ll discover a new dat...
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@jaywengrow
I have noticed a mistake regarding the break condition for the insertion sort algorithm.
Currently, the paragraph is as fol...
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Most Active Over Three Years
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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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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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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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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Title: A Common-Sense Guide to Data Structures and Algorithms, Second Edition
Example: Incorrect time complexity (page 55)
Notice the ...
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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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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 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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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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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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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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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 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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