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Problem Category Points AC % Users
STP41 IT 20 27.5% 22
STP42 IT 40 70.0% 21
SALARY Practice 25 16.0% 11
STPALIN C1 20 33.3% 1
STRABC Practice 20 32.0% 31
STRBEAU C1 10 55.7% 31
STRCHAR Xâu 100 66.4% 64
STRING QHD 60 22.2% 21
STRKARY HASH 25 25.8% 16
STRONGSEQ MẢNG TÍCH LŨY 20 54.7% 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
SUBSEQ01 Practice 21 54.8% 31
SUBSEQ02 Practice 20 83.7% 32
SUBSEQ03 Practice 20 0.0% 0
SUBSEQ04 Practice 20 68.6% 30
SUBSEQ05 MẢNG TÍCH LŨY 100 34.2% 102
SUBSEQ06 MẢNG TÍCH LŨY 100 20.2% 65
SUBSEQ07 Practice 12 27.0% 31
SUBSEQ08 MẢNG TÍCH LŨY 100 19.6% 61
SUBSEQ09 MẢNG TÍCH LŨY 100 56.5% 58
SUBSEQ10 Practice 10 37.8% 30
SUBSEQ11 Practice 20 36.6% 27
SUBSEQ12 Practice 10 19.8% 17
SUBSEQ15 A1 10 54.4% 29
SUBSEQ20 A1 10 15.7% 13
SUBSEQ22 Practice 75 47.2% 48
SUBSEQ23 A1 10 58.3% 21
SUBSEQ25 MAP 100 33.9% 78
SUBSEQ26 A1 20 38.1% 16
SUBSEQ27 A1 20 29.7% 30
SUBSEQ29 A1 10 47.5% 26
SUBSEQ30 A1 14 30.6% 18
SUBSEQ31 Practice 100 24.1% 45
SUBSEQ34 A1 20 35.8% 14
SUBSEQX Practice 19 62.5% 13
SUBSTR QHD 100 34.5% 16
SUBSTR01 Practice 100 4.6% 9
SUM Practice 100 27.9% 22
SUM0 CNP 11 19.2% 59
SUM1 Practice 100 82.1% 23
SUMDIFF Practice 20 52.6% 19
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