@[After_light](/user/554803) 理论上不是 m^2 的范围吗。
by After_light @ 2023-05-27 08:53:10
没做过，但是打开题解，第一篇那个不是证明么
by guoxinyugz @ 2023-05-27 09:21:06
https://oi-wiki.org/math/combinatorics/fibonacci/#%E6%A8%A1%E6%84%8F%E4%B9%89%E4%B8%8B%E5%91%A8%E6%9C%9F%E6%80%A7
by APJifengc @ 2023-05-27 10:06:10