每天刷一道牛客题霸-第9天- 跳台阶

题目

https://www.nowcoder.com/practice/8c82a5b80378478f9484d87d1c5f12a4?tpId=190&&tqId=35199&rp=1&ru=/ta/job-code-high-rd&qru=/ta/job-code-high-rd/question-ranking

public class Solution {
    public int JumpFloor(int target) {
        if(target==0)
        {
            return 0;
        }
        if(target==1)
        {
            return 1;
        }
        if(target==2)
        {
            return 2;
        }
        return JumpFloor(target - 1)+JumpFloor(target - 2);
    }
}