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Question for Dwite#4 Problem 4
Author Message
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 non-increasing or non-decreasing 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.

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 non-increasing or non-decreasing 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.
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