need help

Revision en1, by singh1495, 2016-06-26 07:31:25

http://mirror.codeforces.com/contest/580/submission/18724460

this is my submission i am unable to memoize this because each mask value is different so plz help me that how i memoize this and plz tell me some memoization tricks thanks in advance.....

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en1 English singh1495 2016-06-26 07:31:25 255 Initial revision (published)