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[] fib = new int[number+1];
        fib[0] = 1;
        fib[1] = 1;
        for (int i = 2; i <= number; i++) {
            fib[i] = fib[i - 1] + fib[i - 2];
        }
        return fib[number];
    }
     public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        System.out.println(new Solution().jumpFloor(n));
    }
}