如果有小学奥数基础的话，本题应用标数法来做
by Deny_小田 @ 2016-07-10 21:01:15
哦
by ZYyboT @ 2016-07-10 21:05:31
@[Deny\_小田](/space/show?uid=17170) 但这题无法让人想不到数楼梯啊……
by doby @ 2016-07-10 22:01:46
顶楼上
by Deny_小田 @ 2016-07-10 22:02:47
本来就是斐波那契数列啊，第n-m+1项啊
by AutumnKite @ 2017-01-18 17:10:59
其实这题和P1255 数楼梯差不多
by _ljx_ @ 2017-08-08 11:13:55