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Problem Category Points AC % Users
REP CTDL 100 23.7% 14
REP2 Practice 20 19.5% 11
REPLACE Practice 20 55.6% 10
REPLACESUM CTDL 100 43.4% 46
REPSTR CTDL 100 20.0% 11
RESORT QHD 100 14.5% 19
RESTORE Practice 100 20.4% 20
RESTORE2 Practice 30 31.4% 16
RESTRUCT BFS 100 11.6% 13
REUNION DIJKSTRA 29 8.4% 6
REVERSE QHDTT 50 18.4% 8
REVSTR Practice 100 24.1% 27
REWARD QHD 100 49.4% 34
RGAME QHD 100 7.4% 2
RIBGAME Practice 100 35.1% 21
RIBOAT DIJKSTRA 30 0.0% 0
RIGHT QHD 100 30.0% 24
RLELCS QHD 80 18.8% 5
RLELCS1 QHD 80 28.6% 7
RLELCS2 QHD 80 28.6% 6
RLESUBSTR QHD 100 15.1% 14
RLINE Practice 100 47.2% 15
RMCIRCLE Practice 10 28.8% 15
ROADFEES QHD trên cây 20 26.7% 10
ROBINSON DIJKSTRA 100 38.3% 30
ROBOCON ĐỒ THỊ 100 19.4% 7
ROBOT Practice 100 27.5% 11
ROBOT1 Practice 30 26.4% 13
ROBOT10 Practice 60 48.5% 29
ROBOT13 Practice 20 30.7% 29
ROBOT2 CNP 100 25.0% 45
ROBOT3 Practice 100 8.8% 3
ROBOT4 Practice 100 0.0% 0
ROBOT5 QHD 100 47.7% 35
ROBOT6 QHD 100 35.6% 33
ROBOT7 Practice 100 46.0% 27
ROBOT8 Practice 100 42.0% 31
ROBOT9 BFS 100 24.6% 13
ROBOTCQ Practice 100 37.0% 19
ROBOTD Practice 10 18.9% 19
ROBOTK QHD 20 25.4% 14
ROBOTS Practice 30 23.7% 9
ROCKGAME Practice 100 55.6% 10
ROOMS Practice 26 21.4% 3
RTRI Practice 100 43.1% 56
RUNNER LCA 20 40.5% 15
RUNNING QHD 100 35.3% 22
SABOR Practice 9 20.8% 10
SALARY Practice 25 16.0% 11
SALARYB Practice 10 27.3% 12