后3题为提高题,选做。
| RunID | User | Nick Name | Problem ID | Result | Memory | Time | Language | Code Length | Submit Time | 
| 31498 | 207shiyandong | Accepted | 2080 KiB  | 0 ms  | C++ | 225 bytes | 2019-12-31 16:23:06 | ||
| 31490 | 207shiyandong | Presentation Error | 2080 KiB  | 0 ms  | C++ | 226 bytes | 2019-12-31 16:21:56 | ||
| 31486 | 207shiyandong | Compile Error | 0 KiB  | 0 ms  | C++ | 232 bytes | 2019-12-31 16:20:36 | ||
| 31479 | 207shiyandong | Presentation Error | 2080 KiB  | 0 ms  | C++ | 244 bytes | 2019-12-31 16:19:47 | ||
| 31465 | 207shiyandong | Presentation Error | 2080 KiB  | 0 ms  | C++ | 244 bytes | 2019-12-31 16:17:27 | ||
| 31444 | 207shiyandong | Accepted | 2080 KiB  | 0 ms  | C++ | 155 bytes | 2019-12-31 16:11:55 | ||
| 31440 | 207shiyandong | Accepted | 2080 KiB  | 0 ms  | C++ | 159 bytes | 2019-12-31 16:10:33 | ||
| 31363 | 207shiyandong | Wrong Answer | 2080 KiB  | 0 ms  | C++ | 152 bytes | 2019-12-31 15:57:13 |