Topic	Replies	Views	Activity
SWAPMATR- Editorial general easy , 2d , prefix-sum , hump2015 , factorization	1	1450	November 15, 2017
Unique elements in 2D vector general 2d , vector	5	700	August 10, 2017
Some way to handle 2d matrix of high order general 2d , heap , array , memory	6	1049	January 3, 2016
DISTNUM - Editorial editorial editorial , segment-tree , 2d , sqrt-decomp , aug15 , range-tree , fenwick-tree , super-hard	4	8401	September 2, 2015
Logic needed with explanation. general 2d , matrix , pattern	12	1190	December 28, 2013
how to input a 2d matrix using getchar_unlocked general 2d , fast , input	10	5642	September 9, 2013

2d