A Common-Sense Guide to Data Structures and Algorithms, Second Edition (Pragmatic Bookshelf)
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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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Jay Wengrow founded Actualize, a Chicago-based coding boot camp. We recently sat down with ...
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“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
While reading Chapter 6, I might have spotted a little error in the Insertion Sort Explanation part on page 85, where it say...
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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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Chapter 19 contains:
Finally, we reach the -9. This would make the current sum -4,
Since the current sum is 6 before encountering -9,...
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In the graphs chapter (p. 414 in the ePub edition), the weight for the connection LA-Miami is missing:
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Chapter 18 contains this sentence:
Gina has two neighbors: Derek and Gina.
This should be “Gina has two neighbors: Derek and Irena.” ...
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The chapter “Average celsius reading” (p. 143 in the ePub edition) contains this fragment:
readings from across many thermometers acros...
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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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“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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Author Spotlight:
Jay Wengrow
@jaywengrow
Jay Wengrow founded Actualize, a Chicago-based coding boot camp. We recently sat down with ...
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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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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 step...
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On page 379, this part of the Dijkstra shortest path code is supposed to determine the next unvisited city to visit based on it being the...
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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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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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Book: A Common-Sense Guide to Data Structures and Algorithms, Second Edition
Page 320
Function: collectAllWords
Python Version: CPytho...
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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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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 you were just trying to keep the sum_swap code clean and streamlined for ease of reading, but this method didn’t seem as air-tight ...
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Hi, in page 42, before the line with the result of log of 64 in base 2, there is a line that reads as:
“Because we had to multiply 2 by ...
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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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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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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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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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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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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 compar...
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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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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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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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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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Pragmatic Bookshelf
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