后3题为提高题,选做。
| RunID | User | Nick Name | Problem ID | Result | Memory | Time | Language | Code Length | Submit Time | 
| 30880 | xuzhengyang | Wrong Answer | 2080 KiB  | 0 ms  | C++ | 198 bytes | 2019-12-30 14:44:46 | ||
| 30871 | xuzhengyang | Wrong Answer | 2080 KiB  | 0 ms  | C++ | 188 bytes | 2019-12-30 14:42:16 | ||
| 30867 | xuzhengyang | Wrong Answer | 2080 KiB  | 0 ms  | C++ | 209 bytes | 2019-12-30 14:41:23 | ||
| 30816 | xuzhengyang | Wrong Answer | 2080 KiB  | 0 ms  | C++ | 181 bytes | 2019-12-30 14:26:44 | ||
| 30788 | xuzhengyang | Accepted | 2080 KiB  | 0 ms  | C++ | 210 bytes | 2019-12-30 14:19:26 | ||
| 30778 | xuzhengyang | Wrong Answer | 2080 KiB  | 0 ms  | C++ | 201 bytes | 2019-12-30 14:17:42 | ||
| 30749 | xuzhengyang | Accepted | 2080 KiB  | 0 ms  | C++ | 131 bytes | 2019-12-30 14:13:55 | ||
| 30714 | xuzhengyang | Accepted | 2080 KiB  | 0 ms  | C++ | 156 bytes | 2019-12-30 14:10:31 |