放错题目了。 
 不过没关系,做完的同学研究下最后一题。 
        
| RunID | User | Nick Name | Problem ID | Result | Memory | Time | Language | Code Length | Submit Time | 
| 70882 | chejingrong701 | Wrong Answer | 2084 KiB  | 0 ms  | C++ | 783 bytes | 2021-12-26 16:55:08 | ||
| 70879 | chejingrong701 | Wrong Answer | 2084 KiB  | 0 ms  | C++ | 781 bytes | 2021-12-26 16:54:32 | ||
| 70874 | chejingrong701 | Wrong Answer | 2084 KiB  | 0 ms  | C++ | 783 bytes | 2021-12-26 16:53:12 | ||
| 70860 | chejingrong701 | Wrong Answer | 2084 KiB  | 0 ms  | C++ | 715 bytes | 2021-12-26 16:47:40 | ||
| 70829 | chejingrong701 | Wrong Answer | 2084 KiB  | 1 ms  | C++ | 358 bytes | 2021-12-26 16:33:38 | ||
| 70768 | chejingrong701 | Time Limit Exceed | 2088 KiB  | 1000 ms  | C++ | 319 bytes | 2021-12-26 16:09:03 | ||
| 70753 | chejingrong701 | Accepted | 72820 KiB  | 21 ms  | C++ | 872 bytes | 2021-12-26 16:02:29 | ||
| 70747 | chejingrong701 | Accepted | 2936 KiB  | 0 ms  | C++ | 488 bytes | 2021-12-26 15:57:35 | ||
| 70672 | chejingrong701 | Accepted | 37448 KiB  | 163 ms  | C++ | 869 bytes | 2021-12-26 15:29:50 | ||
| 70670 | chejingrong701 | Time Limit Exceed | 2084 KiB  | 1000 ms  | C++ | 336 bytes | 2021-12-26 15:29:05 | ||
| 70641 | chejingrong701 | Time Limit Exceed | 2084 KiB  | 1000 ms  | C++ | 312 bytes | 2021-12-26 15:19:24 | ||
| 70619 | chejingrong701 | Accepted | 5980 KiB  | 3 ms  | C++ | 407 bytes | 2021-12-26 15:13:53 | ||
| 70611 | chejingrong701 | Wrong Answer | 5980 KiB  | 3 ms  | C++ | 376 bytes | 2021-12-26 15:11:32 |