Questions tagged [towers-of-hanoi]

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Towers of Hanoi with sufficiently many stacks, show that $T_k(n)=\Theta(n)$ for all $k\geq 2 + \frac{n-1}{2}$

I'm trying to show that for the following Towers of Hanoi general algorithm that $T_k(n)=\Theta(n)$ for all $k\geq 2 + \frac{n-1}{2}$, I'm not sure how to incorporate the restriction on $k$ into my ...
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4answers
647 views

Towers of Hanoi First Move

I've finally more or less understood the recursive algorithm for solving the Towers of Hanoi. My Python code is below. However one thing still bugs me - I can't yet work out how this simple seeming ...
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2answers
302 views

Tower Of Hanoi Time Calculation

I have been trying this Towers of Hanoi question since last week but never able to come with the right approach towards the solution. The setup is the standard Towers of Hanoi, except that moving the ...
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0answers
319 views

Complexity class of Towers of Hanoi problem

Given a problem List all steps to move n disks from rode 1 to rode 2. I guess you are familiar with Towers of Hanoi rules. I couldn't find a proper answer for the complexity class of this problem....
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1answer
2k views

Towers of Hanoi but with arbitrary initial and final configuration

Recently, I came across this problem, a variation of towers of hanoi. Problem statement: Consider the folowing variation of the well know problem Towers of Hanoi: We are given $n$ towers ...
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0answers
597 views
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1answer
8k views

Complexity of Towers of Hanoi

I ran into the following doubts on the complexity of Towers of Hanoi, on which I would like your comments. Is it in NP? Attempted answer: Suppose Peggy (prover) solves the problem & submits it ...
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1answer
937 views

An Alternative Hanoi Tower problem

We got tower $T_1$ with $n$ odd disks (1,3,5,...) and tower $T_2$ with $n$ even disks (2,4,6,...). Now we want to move all $2n$ disks to tower $T_3$. If $T(p,q)$ is a recurrence relation of minimum ...
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0answers
125 views

Hanoi Tower Variation: Place Maximum Number of Balls on $N$ Pegs

Problem Statement. There are many interesting variations on the Tower of Hanoi problem. This version consists of $N$ pegs and one ball containing each number from $1, 2, 3, \dots$ Whenever the sum of ...
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1answer
496 views

Induction to prove equivalence of a recursive and iterative algorithm for Towers of Hanoi

Using induction how do you prove that two algorithm implementations, one recursive and the other iterative, of the Towers of Hanoi perform identical move operations? The implementations are as follows....
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2answers
59 views

How do I approach inductive design problems with no information or context given?

As a starting point for our course in Artificial Intelligence, we are being taught induction. We received a number of homework assignments where we have to show our inductive approach for a given ...
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1answer
271 views

Computing a Sequence of People Entering and Leaving a Room

I've been working on a problem for my Algorithms class, but I've found myself stuck. The prompt is as follows. You start with an empty room and a group of n people waiting outside. At each step, ...
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1answer
133 views

Analysis of the Banana Game

My computer science professor introduced an interesting game in order to get us (his students) more familiar with the Stack and Queue ADTs. Game Description The banana game is played with a ...