Topic	Replies	Views	Activity
PPTEST - Editorial editorial cook39 , dynamic-programming , easy , editorial	10	9031	June 9, 2022
PPXOR - Editorial editorial cook39 , easy-medium , editorial , xor , bitwise-operation	10	8965	September 19, 2020
PPNUM - Editorial editorial ad-hoc , cook39 , easy , editorial	8	5719	February 3, 2020
PPTREE - Editorial editorial cook39 , dynamic-programming , editorial , medium-hard , trie , xor , bitwise-operation	2	9883	September 25, 2018
PPLUCKY - Editorial editorial cook39 , editorial , fenwick-tree , medium , segment-tree , bit-manipulation	3	6386	August 29, 2015

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