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