题解 | #小乐乐走台阶#
小乐乐走台阶
https://www.nowcoder.com/practice/ebf04de0e02c486099d78b7c3aaec255
#include <stdio.h> int recur(int n){ if(n > 2){ return recur(n-1)+recur(n-2); } return 1; } int main() { int a; scanf("%d",&a); printf("%d",recur(a+1)); return 0; }