跳台阶算法动态规划的相关内容

文章 2023-10-19 来自：开发者社区

剑指offer(C++)-JZ71：跳台阶扩展问题(算法-动态规划)

题目描述：一只青蛙一次可以跳上1级台阶，也可以跳上2级……它也可以跳上n级。求该青蛙跳上一个n级的台阶(n为正整数)总共有多少种跳法。数据范围：1≤n≤20进阶：空间复杂度 O(1) ，时间复杂度 O(1)示例：输入：3返回值：4解题思路：本题是青蛙跳台阶的扩展问题，本质上是一个数学问题。青蛙一次可以跳任意阶，假设到n级台阶的跳法是f(n)，则有：同理：所以：2的n次方可以通过1左移n的方式快....

文章 2023-10-19 来自：开发者社区

剑指offer(C++)-JZ69：跳台阶(算法-动态规划)

题目描述：一只青蛙一次可以跳上1级台阶，也可以跳上2级。求该青蛙跳上一个 n 级的台阶总共有多少种跳法（先后次序不同算不同的结果）。数据范围：1≤n≤40要求：时间复杂度：O(n) ，空间复杂度： O(1)示例：输入：2返回值：2说明：青蛙要跳上两级台阶有两种跳法，分别是：先跳一级，再跳一级或者直接跳两级。因此答案为2解题思路：本题考察算法-动态规划算法的使用。用四种逐优的解法，来一步步发现动态....

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更新时间 2023-10-20 11:27:36

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