注意输入是序列不是排列，望周知！！！
by _Karasu_ @ 2023-03-23 18:25:16
然后数据范围是五个零，不是三个零。
by _Karasu_ @ 2023-03-23 18:25:52
好开
by zhouyuhang @ 2023-03-23 18:42:37