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Problem Category Points AC % Users
CAYKHE2 QHD 19 83.3% 15
CB001 CƠ BẢN 10 63.4% 64
CB002 CƠ BẢN 10 53.2% 51
CB003 CƠ BẢN 10 83.5% 61
CB004 CƠ BẢN 10 25.1% 34
CB005 CƠ BẢN 10 19.4% 6
CB006 CƠ BẢN 100 67.1% 87
CB007 CƠ BẢN 20 37.5% 25
CB008 CƠ BẢN 24 81.2% 76
CB009 CƠ BẢN 25 44.8% 13
CB010 CƠ BẢN 10 57.1% 11
CB011 CƠ BẢN 6 65.1% 31
CBARN2 QHD 10 33.3% 1
CCOLOR Practice 21 50.0% 1
CEDGEDES Practice 100 26.0% 10
CENCITY DFS 20 30.3% 16
CENCY DFS 20 56.4% 21
CENTROID QHD trên cây 100 32.5% 17
CEZAR DFS 20 39.5% 15
CGCD1 SOHOC 100 31.8% 19
CGIFTS CƠ BẢN 100 44.0% 89
CGO CTDL 25 52.6% 26
CHANGE Practice 100 47.0% 64
CHANGESEQ Practice 10 71.1% 25
CHANGESUM Practice 50 27.3% 17
CHAR CƠ BẢN 100 60.0% 83
CHARM QHD 100 24.1% 49
CHASE CTDL 100 7.4% 8
CHASE1 QHD trên cây 11 0.0% 0
CHATCAY Practice 100 29.6% 35
CHECKIN CNP 100 22.6% 50
CHECKPOINT Practice 100 23.2% 31
CHECKTRI Practice 100 31.8% 44
CHIACAY Practice 20 14.6% 16
CHIADAT Practice 100 54.4% 29
CHIADAY Trie 100 9.8% 4
CHIADAY4 Practice 100 14.5% 26
CHIAKEO Practice 100 61.5% 95
CHIAKEO1 QHD 10 60.4% 25
CHIAQUA Practice 100 67.8% 36
CHIDAN DFS 100 9.1% 2
CHKSHOP sort 100 50.9% 120
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 25.6% 20
CINSEQK QHD 20 68.9% 28
CIRCLE sort 100 39.9% 53