need

fast linear recurence

DP optimize

unvalidate

planar graph

palindromic tree.

linear program ASC13 C

dominator tree

link cut tree HDU5002

SuffixAutomata

DLX

persistentreap

SWmincut

3DConvexHull

Halfpalneintersection

Triangulation

KDtree

Result

Contest	Date	Rank
Damascus University 2011	2019/02/19	2	A	B	C	(D)	E	F	G	(H)	I	J	K	.
NAIPC 2017	2019/02/20	4	A	B	C	D	.	.	.	.	.	J	.
NAIPC 2018	2019/03/05	14	(A)	B	(C)	D	E	.	.	H	I	.	K
NWERC 2013	2019/03/06	2	A	B	C	D	E	F	G	H	I	J
World Final 2013	2019/03/13	27	A	.	C	D	.	F	.	H	I	J	.

• A : 賽內AC
• A : 賽後AC
• (A) : 精神AC
• . : concon
• ? : ??