后3题为提高题,选做。
| RunID | User | Nick Name | Problem ID | Result | Memory | Time | Language | Code Length | Submit Time | 
| 31483 | shuyan | Wrong Answer | 2080 KiB  | 0 ms  | C++ | 213 bytes | 2019-12-31 16:20:26 | ||
| 31478 | shuyan | Wrong Answer | 2080 KiB  | 0 ms  | C++ | 217 bytes | 2019-12-31 16:19:40 | ||
| 31422 | shuyan | Accepted | 2080 KiB  | 2 ms  | C++ | 149 bytes | 2019-12-31 16:06:38 | ||
| 31365 | shuyan | Accepted | 2080 KiB  | 0 ms  | C++ | 204 bytes | 2019-12-31 15:57:16 | ||
| 31328 | shuyan | Accepted | 2080 KiB  | 0 ms  | C++ | 144 bytes | 2019-12-31 15:53:30 | ||
| 31298 | shuyan | Accepted | 2080 KiB  | 0 ms  | C++ | 156 bytes | 2019-12-31 15:50:46 |