@[Morning__star](/user/466596) [https://www.luogu.com.cn/record/141613028](https://www.luogu.com.cn/record/141613028)
by Morning__star @ 2023-12-31 21:35:33
考虑这种情况
3 4
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by dong_hao_wen @ 2023-12-31 21:41:27
```
4 4
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*00*
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```
答案是4
你题意理解错了
by Genshineer @ 2023-12-31 21:41:45
哦，明白了
by Morning__star @ 2024-01-09 19:58:48