Problems

Problem	Category	Points	AC %	Users
CHANGESUM	Practice	50	27.3%	17
CHARM	QHD	100	24.0%	51
CHASE	CTDL	100	7.4%	8
CHASE1	QHD trên cây	11	0.0%	0
CHATCAY	Practice	100	30.6%	38
CHECKIN	CNP	100	22.0%	50
CHECKPOINT	Practice	100	23.2%	31
CHECKTRI	Practice	100	29.8%	45
CHEM	Practice	20	0.0%	0
CHIACAY	Practice	20	15.1%	17
CHIADAT	Practice	100	54.2%	31
CHIADAY	Trie	100	9.8%	4
CHIADAY4	Practice	100	14.5%	26
CHIAKEO	Practice	100	61.8%	102
CHIAKEO1	QHD	10	61.1%	26
CHIAQUA	Practice	100	65.7%	40
CHIATAO	A1	10	54.1%	77
CHIDAN	DFS	100	9.1%	2
CHOCOLATES	Practice	40	9.1%	8
CHONDAY	QHD	10	34.5%	28
CHOOSE	Practice	100	23.4%	57
CHOOSE2	Practice	100	26.9%	59
CHOOSE3	Practice	20	38.0%	34
CHTREE	Practice	15	25.0%	20
CHUSO	A1	10	56.5%	88
CINSEQK	QHD	20	68.9%	28
CIRCLE	sort	100	39.9%	53
CITY	HÌNH HỌC	100	23.2%	9
CLIMBING	Practice	24	33.8%	18
CLORBALL	Practice	50	45.7%	14
CLOUD	QHD	100	15.8%	3
CNTCELL	Practice	100	46.7%	23
CNTCOLOR	Practice	50	43.6%	17
CNTK	Practice	10	66.7%	43
CNTP0	Practice	5	45.8%	48
CNTP01	Practice	10	37.6%	49
CNTP02	Practice	80	42.1%	45
CNTP03	Practice	20	32.5%	45
CNTP04	Practice	100	36.4%	98
CNTP05	Practice	100	73.7%	91
CNTP06	Practice	20	54.2%	38
CNTP07	Practice	20	68.1%	52
CNTP08	Practice	10	45.2%	29
CNTP10	Practice	20	21.2%	22
CNTP11	Practice	50	29.2%	21
CNTP12	Practice	10	59.3%	15
CNTPAIR	SOHOC	100	30.4%	51
CNTPAR	CTDL	100	42.9%	71
CNTPATH	DFS	100	12.4%	9
CNTPR	SOHOC	20	32.9%	26