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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
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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@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

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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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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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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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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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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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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