Problems

Problem	Category	Points	AC %	Users
SPERFECT	DFS	11	17.6%	11
SPK	SOHOC	23	48.0%	45
SPLIT	QHD	100	25.7%	6
SPLITARR	CƠ BẢN	100	51.2%	37
SPLITCT	DFS	66	0.0%	0
SPLITSEQ	CNP	100	24.3%	44
SPN	SOHOC	100	51.0%	23
SPPATH	Practice	24	17.5%	6
SPRIME	SOHOC	100	25.7%	36
SPSEQ	QHD	25	37.1%	16
SQFREE	SOHOC	100	18.8%	23
SQRPAIRS	Practice	100	20.8%	6
SQUARE	SOHOC	30	15.1%	12
SRAIN	Practice	20	0.0%	0
SSTORM	Practice	100	31.3%	20
SSUM	CƠ BẢN	100	34.9%	64
SUMSEQ	DFS	14	75.0%	8
STAIRS	Practice	100	19.2%	31
STAMPS	Practice	100	75.6%	32
STARF	CƠ BẢN	24	60.2%	62
STASK	Practice	1	51.0%	23
STRABC	Practice	20	30.4%	29
STRCHAR	Xâu	100	61.4%	40
STREE	QHD trên cây	100	26.0%	23
STRING	QHD	60	21.0%	20
STRKARY	HASH	25	25.5%	15
STRPALIN	HASH	40	38.5%	5
STRPOW	Practice	100	60.9%	39
SUBARR	CTDL	20	23.9%	9
SUBKGCD	Practice	100	28.8%	18
SUBREP	Practice	100	73.2%	28
SUBSEQ1	IT	50	12.8%	18
SUBSET	QHD	20	23.7%	22
SUBSTR	QHD	100	27.3%	7
SUBSTR01	Practice	100	4.9%	10
SUM	Practice	100	32.1%	24
SUM0	CNP	100	18.2%	58
SUM1	Practice	100	81.3%	26
SUMCIR	Practice	20	0.0%	0
SUMDIV	MẢNG TÍCH LŨY	100	29.8%	24
SUMGAME	Practice	80	28.9%	11
SUMLR	Practice	100	17.5%	30
SUMMAX1	QHD trên cây	100	76.6%	32
SUMMAX2	QHD trên cây	100	58.1%	30
SUMMAX3	QHD trên cây	100	74.5%	30
SUMMAX4	QHD trên cây	100	26.1%	9
SUMNUM	LOOP	100	73.6%	39
SUM_ODD_NUM	LOOP	100	66.1%	36
SUMPART	CƠ BẢN	100	77.6%	61
SUMSEG	Practice	15	65.5%	18