On a staircase, the i-th step has some non-negative cost cost[i] assigned (0 indexed). Once you pay the cost, you can either climb one or two steps. You need to find minimum cost to reach the top of the floor, and you can either start from the step w…
Leetcode 70 Climbing Stairs Easy https://leetcode.com/problems/climbing-stairs/ You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top? Note…
Climbing Stairs You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top? 题目意思: 上楼梯.假设要n步到达楼梯的顶部.每一次你只能上一个或两级台阶,问要到达顶部一共有多少种方法? 解题思路: 真是太巧了!!我…
一天一道LeetCode 本系列文章已全部上传至我的github,地址:ZeeCoder's Github 欢迎大家关注我的新浪微博,我的新浪微博 欢迎转载,转载请注明出处 (一)题目 You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to…
作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目大意 题目大意 解题方法 递归 记忆化搜索 动态规划 空间压缩DP 日期 [LeetCode] 题目地址:https://leetcode.com/problems/climbing-stairs/ Total Accepted: 106510 Total Submissions: 290041 Difficulty: Easy 题目大意 You are climbing a…
You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top? Note: Given n will be a positive integer. 对这种题目开始没有什么思路,借鉴博客http://blog.csdn.net/ken…
You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top? Hide Tags: Dynamic Programming   Solution:一个台阶的方法次数为1次,两个台阶的方法次数为2个.n个台阶的方法可以理解成上n-2…
这是悦乐书的第159次更新,第161篇原创 01 看题和准备 今天介绍的是LeetCode算法题中Easy级别的第18题(顺位题号是70).你正在爬楼梯,它需要n步才能达到顶峰.每次你可以爬1或2步,你可以通过多少不同的方式登顶?注意:给定n是一个正整数.例如: 输入:2 输出:2 说明:有两种方法可以爬到顶端 1.1步 + 1步 2.2步 输入:3 输出:3 说明:有三种方法可以爬到顶端 1.1步 + 1步 + 1步 2.1步 + 2步 3.2步 + 1步 输入:4 输出:5 说明:有5种方法…
1.题目描述 2.问题分析 使用动态规划. 3.代码 int climbStairs(int n) { ){ return n; } ]; dp[] = ; dp[] = ; dp[] = ; ; i <= n ; i++){ dp[i] = dp[i-] + dp[i-]; } return dp[n]; }…
You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top? Subscribe to see which companies asked this question 简单的dp问题,代码如下: class Solution {…