求递推做法

P1255 数楼梯

Are_you_sure_yxy @ 2024-11-22 19:46:42

求递推做法

by zzz13579zzz @ 2024-11-22 19:49:37

f_n$=$f_{n-1}$+$f_{n-2}

by Are_you_sure_yxy @ 2024-11-22 20:55:27

Thank you 我会了

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