Problems
| Problem | Category | Points | AC % | Users |
|---|---|---|---|---|
| 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 | 76.4% | 42 |
| SUM_ODD_NUM | LOOP | 100 | 71.2% | 46 |
| 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 |
| SW_CANDY | Practice | 20 | 44.4% | 16 |
| SW_CIRCLE | PRVN | 20 | 33.3% | 1 |
| SW_FLYMODE | Practice | 20 | 30.6% | 15 |
| SWGAME | Practice | 100 | 18.0% | 16 |
| SWIMMING | Practice | 20 | 42.3% | 64 |
| SWINDOWS | CTDL | 100 | 16.7% | 11 |
| SW_ISOLATION | Practice | 20 | 71.4% | 13 |
| SW_MANHATTAN | Practice | 20 | 66.7% | 16 |
| SW_QUADQUERY | Practice | 20 | 30.0% | 13 |
| SW_QUERY1 | IT | 20 | 45.5% | 9 |
| SW_ROOK | Practice | 20 | 11.4% | 5 |
| SW_SEMINAR | Practice | 20 | 11.5% | 3 |
| SW_TRIQUERY | PRVN | 20 | 25.0% | 4 |
| GPT | A1 | 20 | 57.4% | 21 |
| DTHCNM | A1 | 10 | 34.7% | 26 |
| CUTTREE | A1 | 10 | 48.8% | 16 |
| INCR | A1 | 20 | 58.6% | 30 |
| UOCLE | A1 | 10 | 47.7% | 24 |
| SALL | A1 | 7 | 26.8% | 18 |
| DONU | A1 | 20 | 44.0% | 30 |
| NHH | Practice | 10 | 11.4% | 35 |
| THAPTG1 | A1 | 10 | 55.2% | 12 |
| STRNOTC | A1 | 20 | 50.0% | 6 |
| LEGO | Practice | 30 | 27.4% | 51 |
| CNTPAIR1 | A1 | 20 | 38.5% | 25 |
| THAPTG2 | A1 | 20 | 41.3% | 22 |
| STRNGUON | A1 | 10 | 52.8% | 13 |
| BSROT | A1 | 10 | 33.7% | 19 |
| SREC | A1 | 10 | 43.4% | 18 |
| DISTSUM | A1 | 10 | 33.3% | 13 |
| BALLS | Practice | 10 | 57.1% | 79 |
| SDB1 | A1 | 16 | 33.7% | 14 |
| VATSUA1 | A1 | 10 | 57.1% | 12 |
| CHOSEF | A1 | 20 | 44.1% | 13 |
| SCPMIN | A1 | 10 | 41.2% | 7 |
| PHOUSE | A1 | 20 | 25.0% | 9 |
| PLUGIN | A1 | 10 | 44.8% | 8 |
| NTCSC | A1 | 30 | 31.3% | 14 |
| DAYSO | A1 | 20 | 64.9% | 16 |