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Problem Category Points AC % Users
BESTSTR Practice 100 24.2% 28
BETONG sort 100 21.3% 46
BFS01 BFS 10 83.3% 20
BFS02 BFS 20 75.0% 18
BFS03 BFS 10 58.8% 15
BFS04 BFS 10 60.0% 15
BFS05 BFS 10 50.0% 2
BFS08 BFS 10 42.9% 18
BFS09 BFS 10 28.8% 14
BFS10 BFS 11 55.0% 11
BIGC CTDL 35 15.9% 20
BINZERO QHD 10 25.0% 7
BIRTHCAKE CTDL 100 44.6% 31
BISHOPS A1 10 46.9% 57
BITSTR PRVN 25 9.1% 1
BLADE CNP 20 46.6% 103
BLAZEJ QHD 41 0.0% 0
BLINE Practice 100 51.8% 52
BLO DFS 100 46.3% 18
BLOCKGAME Practice 100 6.8% 3
BLUEHOUSE QHD trên cây 10 36.9% 21
BNUM SOHOC 10 21.4% 13
BOARD QHD 20 9.6% 8
BOLD Practice 10 64.6% 62
BONUS Practice 100 20.8% 49
BONUS1 QHD 100 35.0% 74
BONUS2 QHD 100 73.7% 37
BONUS3 Practice 24 26.1% 40
BONUSMT QHD 20 24.0% 13
BOOKSHELF QHD 100 62.9% 68
BOOKSORT Practice 100 47.1% 70
BOOM Practice 11 62.5% 33
BOXES QHDTT 100 71.4% 25
BPOS CTDL 10 30.4% 37
BRACKET Practice 100 40.0% 41
BRACKET1 Practice 10 23.5% 26
BRACKET2 Practice 10 66.0% 33
BRIDGE2 CNP 100 23.0% 26
BRIDGE3 QHD 100 27.6% 28
BRIDGES1 Practice 100 41.9% 47
BRIDGES4 ĐỒ THỊ 100 39.1% 17
BRIDGES5 ĐỒ THỊ 100 0.0% 0
BSEQ Practice 100 39.5% 37
BSEQUENCE Practice 54 32.7% 14
BSF Practice 30 25.9% 11
BSQUARE Practice 100 44.3% 50
BSR Practice 100 34.8% 34
BUDGET CNP 100 33.0% 29
BUILD DIJKSTRA 100 20.8% 25
BUILD1 CAYKHUNG 100 30.3% 22