捞
by 滑蒻稽 @ 2021-04-17 15:17:34
.
by zhj0309 @ 2021-07-27 16:40:01
可以
by Azusamitsusa @ 2022-06-22 19:58:46
@[滑蒻稽](/user/113181) 不能\
一个转化可以用在多个位置,如:\
输入:
```
aaaaaaaaaaaaaaaaaaaa aaaaaaaaaaaaaaaaaaab
a aaaaaaaaaaaaaaaaaaab
a aaaaaaaaaaaaaaaaaaac
a aaaaaaaaaaaaaaaaaaad
a aaaaaaaaaaaaaaaaaaae
a aaaaaaaaaaaaaaaaaaaf
a aaaaaaaaaaaaaaaaaaag
```
输出:
```
NO ANSWER!
```
从`aaaaaaaaaaaaaaaaaaaa`开始的话连搜 $5$ 步都会超时。\
因为转换恰好 $5$ 次共有 $2600403886080$ 种方案(未去重),去重后也不会少于 $21670032384$ 种。
by 2021CHD @ 2023-07-02 17:00:32