BM63题解 | #跳台阶#
跳台阶
https://www.nowcoder.com/practice/8c82a5b80378478f9484d87d1c5f12a4
动态规划
其实就是斐波那契数列,一模一样,套了个皮
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) { if (number <= 2) return number; int[] dp = new int[number+1]; dp[1] = 1; dp[2] = 2; for (int i = 3; i < number+1; ++i) { dp[i] = dp[i-1] + dp[i-2]; } return dp[number]; } }