Solution -「洛谷 P4451」「国家集训队」整数的 lqp 拆分
DescriptionLink.求$$
\sum\prod_{i=1}^{m}F_{a_{i}},(m>0,a_{1},\cdots a_{m}>0,\sum a_{i}=n)
$$...
In mathematics you don't understand things, you just get used to them.
In mathematics you don't understand things, you just get used to them.