斐波那契的变种。
有 nnn 个格子,小红初始在 111 号格子,想要跳到 nnn 号格子。
本题属于以下题库,请选择所需题库进行购买
By signing up a CodeFun2000 universal account, you can submit code and join discussions in all online judging services provided by us.
Using your CodeFun2000 universal account