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