What’s your soln? Email me at sjm1 AT williams.edu

]]>But the reasoning is not that simple as the solution. Probably the problem comes from fact that you can:

1. prove the statement – in that case “natural”, intuitive thought is an induction; or

2. point the strategy (constructive proof), but in such case “natural” thinking is greedy algorithm.

Both don’t work ðŸ™‚

Thank you Steve for you Puzzle page.

]]>coins are given in a certain order

one player knows they are going first

they can both see the amounts

they can ONLY choose from an end

– A could manipulate the order of the coins

-if the coins were ‘c1′,’c2′,’c3′,’c4’, they could choose between c1 and c4

am i right so far?

]]>probably should be c_1 or c_{2n} as have to take an end — email me at sjm1 AT williams.edu to discuss in greater depth //s

]]>You might be on the right path but hard to follow. There is a one line answer. You can email me at sjm1@williams.edu

]]>That’s not the soln — how does going first force a win? You need to add a few details. //s

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