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April 4th, 2009, 09:53 AM  #1 
Newbie Joined: Apr 2009 Posts: 5 Thanks: 0  Find the minimum number of Moves
We have a circle with center (0,0) and with radius 10. Now we have a limited set of moves possible e.g (2,1),(0,2) etc. Now using these moves we need to reach peripheral of Circle. But we need to make sure that we move very minimum. Just for an example We have a circle of radius 20 at center (0,0) Now we have these possible moves. (2,0) (0,2) and (2,1) Now let me know how many number of minimum moves you would require to reach at peripheral of center. Check the image. 
April 4th, 2009, 12:05 PM  #2 
Global Moderator Joined: Dec 2006 Posts: 20,373 Thanks: 2010 
In your diagram, the minimum number of moves is already illustrated (assuming no move may take you beyond the perimeter). Do you want a general procedure of some kind or just solutions for particular cases?

April 5th, 2009, 02:06 PM  #3 
Member Joined: Mar 2009 From: Asheville, NC Posts: 48 Thanks: 0  Re: Find the minimum number of Moves
Well, as a quick general idea, total distances is what you're looking for. (2,0) and (0,2) both of a total distance traveled of 2, but (2,1) has a total distance traveled of So, use (2,1) until you are on the same value ( for instance, you were on the value x = 16 in the picture ) as the point you're looking for. This will maximize the total distance traveled. 

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