题解 | #跳台阶#

import java.util.*;


public class Solution {
    /**
     * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
     *
     * 
     * @param number int整型 
     * @return int整型
     */
    public int jumpFloor (int number) {
        // write code here
        int toFirstFloor = 1;
        int toSecondFloor = 1;
        int[] dp = new int[number+1];
        dp[0] = toFirstFloor;
        dp[1] = toSecondFloor;
        for(int i = 2;i<=number;i++) {
            dp[i] = dp[i-2] + dp[i-1];
        }
    return dp[number];
    }
}