Question for Dwite#4 Problem 4
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d310

Posted: Wed Jan 18, 2012 3:54 pm Post subject: Question for Dwite#4 Problem 4 


"At the beginning of a player?s turn, if the blocks form a ladder a sequence of either nonincreasing or nondecreasing heights that player loses. "
How long of a sequence is needed for a ladder to be formed?
For example:
0 2 2 2 0 is a ladder.






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Cyril

Posted: Wed Jan 18, 2012 4:35 pm Post subject: RE:Question for Dwite#4 Problem 4 


No, "form a ladder" means "are a sequence of nonincreasing or nondecreasing heights".
0 2 2 2 0 is not a ladder.
1 2 3 4 3 is not a ladder.
1 2 3 4 5 is a ladder.
5 4 3 2 1 is a ladder.
1 2 2 3 3 is a ladder
1 1 1 1 1 is a ladder.







