Solution -「HNOI 2016」最小公倍数(lacks of code)
DescriptionLink.给出一个带权无向图,边权为 $2^{a}\cdot3^{b}$ 形式。给出 $q$ 组形如 $u,v,a,b$ 的询问,问 $u,v$ 中是否存在一条路径使得其边...
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.