Problems
| Problem | Category | Points | AC % | Users |
|---|---|---|---|---|
| CHUNGKHOAN | PRVN | 10 | 15.8% | 6 |
| QUANMA | PRVN | 10 | 20.5% | 3 |
| SOFTWARE | PRVN | 10 | 26.1% | 5 |
| LOCO | PRVN | 10 | 53.8% | 4 |
| MOHINHGIA | PRVN | 10 | 7.9% | 2 |
| STPLT | PRVN | 10 | 8.9% | 4 |
| OPSET_SUB123 | PRVN | 70 | 43.8% | 4 |
| OPSET_SUB4 | PRVN | 30 | 40.0% | 4 |
| PW | PRVN | 50 | 0.0% | 0 |
| COMNET | PRVN | 20 | 22.2% | 4 |
| BMZGAME | PRVN | 40 | 0.0% | 0 |
| OPBYING | PRVN | 40 | 0.0% | 0 |
| BANGRON | PRVN | 20 | 39.4% | 33 |
| DUONGONG | PRVN | 25 | 36.4% | 4 |
| HOCMAY | PRVN | 50 | 17.3% | 8 |
| LIKENUM | PRVN | 20 | 27.3% | 6 |
| OCSEN | PRVN | 50 | 7.1% | 2 |
| ROBOT | PRVN | 20 | 10.3% | 4 |
| 3DGEOMETRY | CƠ BẢN | 100 | 36.6% | 46 |
| A1DIV | A1 | 20 | 24.7% | 49 |
| A1DNA | Xâu | 100 | 61.3% | 69 |
| A1NARE | Practice | 20 | 56.9% | 64 |
| A1STRC | A1 | 10 | 49.3% | 31 |
| A1UOCK | A1 | 10 | 34.3% | 53 |
| A1XSEQ | A1 | 10 | 74.3% | 25 |
| ABCSUM | Practice | 100 | 72.5% | 104 |
| ABCTEL | CNP | 10 | 36.0% | 95 |
| ABSMAX | sort | 100 | 38.5% | 145 |
| ABSMIN | sort | 100 | 41.2% | 135 |
| ACT | Practice | 100 | 41.5% | 39 |
| AD | Practice | 100 | 52.4% | 81 |
| ADDNUMGAME | Practice | 20 | 31.3% | 59 |
| ADN | Trie | 100 | 0.0% | 0 |
| AGCD | Practice | 21 | 78.1% | 22 |
| AIRC | Practice | 100 | 51.3% | 67 |
| AIRCOND | Practice | 20 | 29.9% | 52 |
| ALIAS | CTDL | 10 | 31.1% | 13 |
| ALIENGIFT | Practice | 80 | 0.0% | 0 |
| ALLOW | BFS | 100 | 41.7% | 28 |
| AMASEQ | Practice | 100 | 38.9% | 76 |
| AMIN | Practice | 21 | 58.1% | 33 |
| ANAGRAMISTICA | Practice | 21 | 30.3% | 9 |
| ANALYSNU | SOHOC | 10 | 0.0% | 0 |
| ANHDEP | IT | 50 | 6.8% | 4 |
| ANNICAKE | Practice | 50 | 26.6% | 56 |
| ANT | SOHOC | 40 | 35.2% | 25 |
| ANTS | LCA | 100 | 16.1% | 27 |
| ANTS2 | Practice | 20 | 58.6% | 73 |
| ANUMLA | CTDL | 20 | 21.2% | 4 |
| AP01 | Practice | 10 | 45.8% | 90 |