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greeness notes
Saturday, November 28, 2009
bitset and memoization
SRM 448 DIVII LEVEL 3
http://forums.topcoder.com/?module=Thread&threadID=651040&start=0
Let D(n,m) = number of ways to arrange the cards given that we have used "m" cards (m = bitmask representation) and the last card that was chosen was card n.
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