http://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.....
http://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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