Problems

Problem	Category	Points	AC %	Users
NEWSET	Practice	49	13.6%	2
NHANTINH	Practice	100	32.3%	86
NHH	Practice	10	9.9%	29
NICE	A1	20	56.1%	27
NOEL	C1	100	29.8%	12
NORMALIZED	Practice	20	38.1%	16
NPREFIX	Trie	100	44.2%	29
NRSEQ	Practice	20	56.8%	20
NSVAL	CTDL	13	39.1%	21
NTDX	Practice	100	48.4%	34
NTFS	CƠ BẢN	50	66.7%	9
NUM9	Practice	59	31.7%	24
NUMBEAUTY	CƠ BẢN	100	50.0%	94
NUMCOMPRE	Practice	10	6.0%	2
NUMMAX	Practice	100	30.0%	13
NUMOFPAIRS	Practice	20	18.7%	12
NUMOFPAIRS1	Practice	14	40.7%	47
NUMORDER	Practice	25	17.8%	51
NUMRECT	Practice	49	72.7%	44
NUMSPEC	CTDL	10	56.5%	45
NUMTRI	SOHOC	10	39.5%	13
NYTRAVEL	CAYKHUNG	100	52.1%	28
NZERO	SOHOC	100	36.2%	30
ODD	Practice	10	0.0%	0
ODDDIV	SOHOC	80	27.8%	35
ODDSUM	CƠ BẢN	100	47.4%	115
OFFICE	QHD trên cây	100	17.5%	9
OLIU	QHD	100	30.3%	35
OMEGA	DIJKSTRA	100	46.6%	39
ONES	SOHOC	100	20.7%	28
ONEWAY	DFS	100	0.0%	0
ONLYONE	SOHOC	10	50.0%	14
OPERATOR	SOHOC	100	35.9%	20
ORALTEST	Practice	100	39.5%	33
ORANGE	Practice	100	37.7%	54
ORARRAY	Practice	20	6.7%	1
ORDER	PRVN	10	28.6%	2
P9BUILDCOL	Practice	100	30.6%	40
P9CANDY	Practice	100	41.0%	16
P9COMPRESSION	Trie	100	13.1%	10
P9DAOAO	Practice	100	53.8%	3
P9DARR	Practice	100	27.5%	33
P9DEPART	Trie	100	34.4%	10
P9DICTIONARY	Trie	100	15.6%	15
P9DSF	Practice	100	68.0%	15
P9FACT	Practice	100	35.0%	3
P9GRAPH	ĐỒ THỊ	100	8.1%	13
P9GREEDYSEGMENTS	Practice	100	45.0%	8
P9HCIRCLE	Practice	100	20.0%	8
P9HELVES	Practice	100	18.0%	16