题解 | #小乐乐走台阶#
小乐乐走台阶
http://www.nowcoder.com/practice/ebf04de0e02c486099d78b7c3aaec255
int cal(int n)
{
if (n < 3)
{
return n;
}
else
{
return cal(n - 1) + cal(n - 2);
}
}
int main()
{
int n;
scanf("%d", &n);
printf("%d", cal(n));
return 0;
}
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