Computer Science
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Rick Decker's user avatar
Rick Decker's user avatar
Rick Decker
  • Member for 9 years, 8 months
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In Erdos' words, what's your problem?

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All Questions Answers
Score Newest
answer
44
Proof of the undecidability of the Halting Problem
Nov 1, 2016
answer
28
Are there any problems that get easier as they increase in size?
Jan 2, 2016
answer
24
Confused about XORing and addition modulo $2$
Apr 21, 2015
answer
19
Are there any non-finite automata?
Dec 6, 2017
answer
16
Solving a recurrence relation with √n as parameter
Sep 15, 2014
answer
16
Why do we need so many transistors in a chip, and how are they managed?
Feb 7, 2014
answer
15
How to determine if an automata (DFA) accepts an infinite or finite language?
Apr 15, 2017
answer
14
Trying to understand this Quicksort Correctness proof
Sep 20, 2016
answer
14
How to solve T(n) = T(n-1) + n^2?
Jun 9, 2015
answer
12
Is there an algorithm that provably exists although we don't know what it is?
Oct 26, 2014
Top Meta posts
11
1
41
Congratulations, Yuval passed 100K!
11
"Is there a system behind the magic of algorithm analysis?"
8
Why isn't CS functioning as MathExchange or StackOverflow?
7
Taking actions on unanswered questions, what should I take care of?
6
Consideration for COVID-caused newbies
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41
List of interesting integrals for early calculus students
28
What would have been our number system if humans had more than 10 fingers? Try to solve this puzzle.
24
Swatting flies with a sledgehammer
23
A Five Equations problem?
22
Exclusion Inclusion Principle Induction Proof

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