Topic	Replies	Views	Activity
PPTEST - Editorial editorial easy , editorial , dynamic-programming , cook39	5	5874	September 26, 2018
PPTREE - Editorial editorial editorial , dynamic-programming , trie , cook39 , bitwise , medium-hard , xor	2	7262	September 25, 2018
PPXOR - Editorial editorial editorial , easy-medium , xor , bitwise , cook39	9	6606	September 13, 2015
PPLUCKY - Editorial editorial cook39 , fenwick , segment-tree , bit , medium , editorial	3	5062	August 29, 2015
PPNUM - Editorial editorial cook39 , ad-hoc , easy , editorial	7	4093	October 23, 2013

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