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Comment by gameguy43 | Hacker News Reader

Love to get some thoughts from people on the pricing. Today the first 3 questions are free, and it's $5 for access to the other 11. How would people feel about $10? $20? What if there were 30 questions, sorted into different topics?

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I'd expect it to provide about the same value as a book, and be browseable; not something that is purely linear one after the other (e.g., I could skip to dynamic programming, graph algorithms, or whatever topics there happen to be). I think that a basic interview puzzle book should be in the range of $25-$40, and depending on that price point be from 150 to 300 pages, with roughly 50-100 problems.

Though, admittedly, I wouldn't pay for this at the moment because I'm happily employed. I did spend about $100 on books to brush up when I was interviewing in late 2011. I found actually the best practice for interviewing was going on interviews (I ended up interviewing at around dozen companies over the span of a month after I was laid off).

I feel as though to top something like "Cracking the Coding Interview", you're going to have to get close to the breadth they cover for the price they charge. You mention they 'charge' $25 which for sure is more than your $5; however, they've got loads and loads of questions for each data structure.

Currently, you're selling each question for about 35 cents. Although that's super cheap per question, $5 for 11 questions somehow doesn't seem like a great deal. However, I think people will be willing to pay the same for a larger database of questions e.g. I would be happy to pay $25 for 80 questions).

I paid the $5 because the sales pitch is so convincing -- "for the price of a burrito, you can get a job" (and so I did pay for this and I did get a new job!)

edit: back when I used this in Feb, I constantly got logged out and had to log back (was using G+ logins). Did this get fixed?

Only 14 questions in total? And they cover "trees, graphs, depth-first search, greedy algorithms, brute force algorithms, dynamic programming, memoization, divide and conquer, amortized analysis, and more?"

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