题解 | #跳台阶#
跳台阶
http://www.nowcoder.com/practice/8c82a5b80378478f9484d87d1c5f12a4
//可以跑，但很耗时间（#光速逃离） public class Solution { public int jumpFloor(int target) { if(target<=0) return 0; if(target<=3) return target; return jumpFloor(target-1)+jumpFloor(target-2); } }
