| ID | Problem | User | Language | Status | Time Cost | Memory Cost | Time | Code Length |
| 20509 | 1217 | xhw214 | C++ | Accepted | 1156ms | 1924kb | 2009-03-21 10:22:24 | 2556 |
| 20508 | 1217 | xhw214 | C++ | Accepted | 5776ms | 1936kb | 2009-03-21 09:02:09 | 2514 |
| 20506 | 1217 | xhw214 | C++ | Accepted | 5772ms | 1936kb | 2009-03-21 08:47:55 | 2514 |
| 20502 | 1217 | xhw214 | C++ | Accepted | 5748ms | 1472kb | 2009-03-21 04:14:10 | 2498 |