@[syr1125](/user/561949) 输入 ```cpp 2 2 1 -1 -2 1 2 1 2 1 2 ``` by 天南星魔芋 @ 2023-08-23 16:59:17
@[天南星魔芋](/user/399239) ok，谢谢大佬，已关注 by syr1125 @ 2023-08-23 17:00:40