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Problem Category Points AC % Users
STPALIN C1 20 33.3% 1
STRABC Practice 20 32.0% 31
STRBEAU C1 10 55.7% 31
STRCHAR Xâu 100 66.4% 64
STREE QHD trên cây 100 22.4% 31
STRING QHD 60 22.2% 21
STRKARY HASH 25 25.8% 16
STRONGSEQ MẢNG TÍCH LŨY 20 54.1% 43
STRPALIN HASH 40 42.9% 6
STRPOW Practice 100 57.6% 38
SUBARR CTDL 20 23.9% 9
SUBHCN C1 10 0.0% 0
SUBKGCD Practice 100 25.4% 53
SUBREP Practice 100 63.3% 63
SUBSEQ1 IT 50 15.2% 20
SUBSTR QHD 100 34.5% 16
SUBSTR01 Practice 100 4.7% 9
SUM Practice 100 30.4% 22
SUM0 CNP 100 19.5% 59
SUM1 Practice 100 82.1% 23
SUMCIR Practice 20 0.0% 0
SUMDIFF Practice 20 50.0% 17
SUMDIFF2 Practice 20 40.0% 2
SUMDIV MẢNG TÍCH LŨY 100 36.5% 45
SUMGAME Practice 80 29.6% 32
SUMLR Practice 100 16.7% 27
SUMMAX1 QHD trên cây 100 77.4% 42
SUMMAX2 QHD trên cây 100 60.3% 40
SUMMAX3 QHD trên cây 100 77.6% 39
SUMMAX4 QHD trên cây 100 31.9% 19
SUMNUM LOOP 100 74.0% 37
SUM_ODD_NUM LOOP 100 69.2% 35
SUMPART CƠ BẢN 100 75.7% 66
SUMSEG Practice 15 69.6% 16
SUNWORLD QHD trên cây 100 31.5% 26
SWAP IT 100 37.9% 44
SWAP2 Practice 100 61.4% 24
SWAPBALL Practice 10 59.3% 16
SWCANDY Practice 20 41.7% 10
SWFLYMODE Practice 20 28.6% 12
SWGAME Practice 100 18.0% 16
SWIMMING Practice 20 42.4% 59
SWINDOWS CTDL 100 16.7% 11
SWISOLATION Practice 20 61.5% 8
SWMANHATTAN Practice 20 68.8% 11
SWQUADQUERY Practice 20 54.5% 10
SWQUERY1 IT 20 52.9% 8
SWROOK Practice 20 5.7% 2
SWSEMINAR Practice 20 11.8% 2
T13_BALLOON QHD 100 21.8% 31