后3题为提高题,选做。
| RunID | User | Nick Name | Problem ID | Result | Memory | Time | Language | Code Length | Submit Time | 
| 31730 | shaojunjie16 | Wrong Answer | 2080 KiB  | 0 ms  | C++ | 122 bytes | 2020-01-02 14:43:46 | ||
| 31724 | shaojunjie16 | Accepted | 2080 KiB  | 0 ms  | C++ | 130 bytes | 2020-01-02 14:41:57 | ||
| 31706 | shaojunjie16 | Wrong Answer | 2080 KiB  | 0 ms  | C++ | 242 bytes | 2020-01-02 14:36:58 | ||
| 31663 | shaojunjie16 | Compile Error | 0 KiB  | 0 ms  | C++ | 206 bytes | 2020-01-02 14:28:22 | ||
| 31640 | shaojunjie16 | Wrong Answer | 2080 KiB  | 0 ms  | C++ | 184 bytes | 2020-01-02 14:22:47 | ||
| 31524 | shaojunjie16 | Accepted | 2080 KiB  | 0 ms  | C++ | 141 bytes | 2020-01-02 14:08:58 |