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.....
need help
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.....