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Climbing
LeetCode 70
Climbing
Stairs
题意:每次迈步可以跨越1或2个台阶,问爬n阶台阶的方案有几种。思路:简单的dp题,dp[i]表示爬n阶台阶的方案数,则dp[i]=dp[i-1]+dp[i-2]。而且为了优化空间,dp数组可以滚动。代码:classSolution{public:intclimbStairs(intn){intdp[3];dp[1]=dp[2]=0;dp[0]=1;for(inti=0;i
HouseFangFZC
·
2020-09-11 16:35
LeetCode
DP
LeetCode
DP
按键装在天花板的电梯,你搭过吗?
好不容易到了地方大门的台阶比我都高……是不是还得学会攀岩(rock-
climbing
)?回家路上尿急公共卫生间里竟然没有马桶(watercloset)!憋shi我了……
果壳网
·
2020-09-11 00:00
【贪心专题】HDU 1049
Climbing
Worm (爬井趣题)
链接:clickhere~~题意:题目大致意思是一个虫子掉在了一个n长度深的井中,然后它每分钟可以爬u长度,然后要休息一分钟,在此期间它会掉下d长度,问最终爬出井需要多久。简单模拟:代码:#include#include#include#include#includeusingnamespacestd;intmain(){inta,b,c,i,j;while(~scanf("%d%d%d",&a,
herongweiV
·
2020-09-10 18:38
【贪心/二分】
=====ACM=====
【学习笔记/总结】
hill-
climbing
algorithm 爬山算法简介
算法:functionHILL-
CLIMBING
(problem)returnsastatethatisalocalmaximuminputs:problem,aproblemlocalvariables
XRYMIBZ
·
2020-08-25 14:28
算法
算法
人工智能
hill-climbing
爬山算法
Climbing
Stairs
Youareclimbingastaircase.Ittakesnstepstoreachtothetop.Eachtimeyoucaneitherclimb1or2steps.Inhowmanydistinctwayscanyouclimbtothetop?publicclassSolution{publicintclimbStairs(intn){if(n==1)return1;if(n==2
HalcyonMoon
·
2020-08-25 07:24
Min Cost
Climbing
Stairs 使用最小花费爬楼梯
题目:数组的每个索引做为一个阶梯,第i个阶梯对应着一个非负数的体力花费值cost[i](索引从0开始)。每当你爬上一个阶梯你都要花费对应的体力花费值,然后你可以选择继续爬一个阶梯或者爬两个阶梯。您需要找到达到楼层顶部的最低花费。在开始时,你可以选择从索引为0或1的元素作为初始阶梯。示例1:输入:cost=[10,15,20]输出:15解释:最低花费是从cost[1]开始,然后走两步即可到阶梯顶,一
zhangzhetaojj
·
2020-08-25 06:09
Leetcode
(701~800)
使用最小花费爬楼梯(Min Cost
Climbing
Stairs)java
使用最小花费爬楼梯(MinCostClimbingStairs)题干数组的每个索引做为一个阶梯,第i个阶梯对应着一个非负数的体力花费值cost[i](索引从0开始)。每当你爬上一个阶梯你都要花费对应的体力花费值,然后你可以选择继续爬一个阶梯或者爬两个阶梯。您需要找到达到楼层顶部的最低花费。在开始时,你可以选择从索引为0或1的元素作为初始阶梯。示例1:输入:cost=[10,15,20]输出:15解
下雨了_简
·
2020-08-25 06:08
leetcode
leetcode题解
leetCode 70.
Climbing
Stairs (爬楼梯) 解题思路和方法
ClimbingStairsYouareclimbingastaircase.Ittakesnstepstoreachtothetop.Eachtimeyoucaneitherclimb1or2steps.Inhowmanydistinctwayscanyouclimbtothetop?思路:题目也比较简单,类似斐波那契。代码如下:publicclassSolution{publicintclim
xygy8860
·
2020-08-25 05:57
leetCode
LeetCode之
Climbing
Stairs与斐波那契数列的联想
题目:Youareclimbingastaircase.Ittakesnstepstoreachtothetop.Eachtimeyoucaneitherclimb1or2steps.Inhowmanydistinctwayscanyouclimbtothetop?看到题目之后,毫不犹豫想出公式:f(n)=f(n-1)+f(n-2),明显用动态规划算法,而且巧合的是,这公式跟斐波那契数列一模一样,
davelam1991
·
2020-08-25 05:55
算法
LeetCode-70
climbing
stairs(方法大总结)
https://leetcode.com/problems/
climbing
-stairs/description/题目Youareclimbingastaircase.Ittakesnstepstoreachtothetop.Eachtimeyoucaneitherclimb1or2steps.Inhowmanydistinctwayscanyouclimbtothetop
零件儿
·
2020-08-25 05:39
python
[leetcode]使用最小花费爬楼梯[javascript]
https://leetcode-cn.com/problems/min-cost-
climbing
-stairs/描述数组的每个索引做为一个阶梯,第i个阶梯对应着一个非负数的体力花费值cost[i](
呆毛社社员LOST
·
2020-08-25 04:05
leetcode
Climbing
Stairs(爬楼梯)
一、题目叙述:Youareclimbingastaircase.Ittakesnstepstoreachtothetop.Eachtimeyoucaneitherclimb1or2steps.Inhowmanydistinctwayscanyouclimbtothetop?Note:Givennwillbeapositiveinteger.Subscribetoseewhichcompaniesa
爱胡椒的小白兔呢
·
2020-08-25 04:00
刷刷刷题
[leetcode]
Climbing
Stairs(爬楼梯 C语言)
ClimbingStairsYouareclimbingastaircase.Ittakesnstepstoreachtothetop.Eachtimeyoucaneitherclimb1or2steps.Inhowmanydistinctwayscanyouclimbtothetop?题意:你去爬楼梯,需要爬n个台阶,你每次可以走一个台阶也可以走两个台阶,有多少种方法可以爬完n个台阶。解题思路:
sanmao0816
·
2020-08-25 04:51
leetcode
Leetcode-70:
Climbing
Stairs (Fibonacci, DP, 尾递归,Memorization)
这题虽然简单,但非常经典。可供推敲处甚多。解法1:DP(时间复杂度O(n)),空间复杂度O(n))。#include#include#includeusingnamespacestd;intclimbStairs(intn){vectordp(n+1,1);//wecanalsouseint*dp=newint[n];dp[0]=1;dp[1]=1;for(inti=2;inums;inthelp
纸上得来终觉浅 绝知此事要躬行
·
2020-08-25 04:46
爬楼梯
Climbing
Stairs 题解代码 JavaScript
问题https://leetcode-cn.com/problems/
climbing
-stairs/练习使用JavaScript解答/***@param{number}n*@return{number
漂流瓶jz
·
2020-08-25 03:35
LeetCode题解
Climbing
Stairs(爬楼梯问题)
70.ClimbingStairsYouareclimbingastaircase.Ittakesnstepstoreachtothetop.Eachtimeyoucaneitherclimb1or2steps.Inhowmanydistinctwayscanyouclimbtothetop?分治法用递归很容易理解,但超时。直接递推也可以,不过要注意好前一项和前两项的位置。intclimbStai
Morrisss_
·
2020-08-25 03:13
OJ
leetcode做题总结,动态规划I(Triangle,Unique PathsI/II,Minimum Path Sum,
Climbing
Stairs,Jump Game,Word Break)
主要是动态规划的前两类,数组和序列。需要想到dp的题目如1.找最大最小值2.xxx是否可行?3.计算所有可行解的数量。数组类常见题型包括最短路径,可能路径数;序列类常见题型:不同步长前进能否到达,几种组合。序列的不同分割方式。解法:1.分析2.用方程表示解,通常为递归如f(n)=min{f(n-1)+1,f(n-2)+1}3.创建储存数组,对初始值如f(0)赋值。4.对数组依次计算赋值5.解通常为
sdadssa1
·
2020-08-24 20:11
Data
Structure
&
Algorithm
leetcode
Min Cost
Climbing
Stairs
题目Onastaircase,thei-thstephassomenon-negativecostcost[i]assigned(0indexed).Onceyoupaythecost,youcaneitherclimboneortwosteps.Youneedtofindminimumcosttoreachthetopofthefloor,andyoucaneitherstartfromthes
邓sh
·
2020-08-24 19:27
算法概论作业
爬山算法 ( Hill
Climbing
)/模拟退火(SA,Simulated Annealing)
一.爬山算法(HillClimbing)爬山算法是一种简单的贪心搜索算法,该算法每次从当前解的临近解空间中选择一个最优解作为当前解,直到达到一个局部最优解。爬山算法实现很简单,其主要缺点是会陷入局部最优解,而不一定能搜索到全局最优解。假设C点为当前解,爬山算法搜索到A点这个局部最优解就会停止搜索,因为在A点无论向那个方向小幅度移动都不能得到更优的解。二.模拟退火(SA,SimulatedAnnea
肘子zhouzi
·
2020-08-24 12:22
随机算法
HDOJ_1049
Climbing
Worm(爬)
ProblemDescriptionAninchwormisatthebottomofawellninchesdeep.Ithasenoughenergytoclimbuincheseveryminute,butthenhastorestaminutebeforeclimbingagain.Duringtherest,itslipsdowndinches.Theprocessofclimbinga
Cynical丶Gary
·
2020-08-24 01:36
杭电HDOJ
Climbing
Stairs
题目分析Youareclimbingastaircase.Ittakesnstepstoreachtothetop.Eachtimeyoucaneitherclimb1or2steps.Inhowmanydistinctwayscanyouclimbtothetop?Note:Givennwillbeapositiveinteger.Example1:Input:2Output:2Explanat
衣介书生
·
2020-08-22 19:19
Min Cost
Climbing
Stairs
题目Onastaircase,thei-thstephassomenon-negativecostcost[i]assigned(0indexed).Onceyoupaythecost,youcaneitherclimboneortwosteps.Youneedtofindminimumcosttoreachthetopofthefloor,andyoucaneitherstartfromthes
BLUE_fdf9
·
2020-08-21 11:11
DOS命令行删除N天以前的文件
DOS命令行删除N天以前的文件DelOldFile.cmd::DelOldFile.cmd-删除指定日期前的所有文件::
Climbing
-2005-8-26-CMD@WinXP@echooffif"%1
alanyang_2008
·
2020-08-20 15:17
操作系统
使用最小花费爬楼梯(Min Cost
Climbing
Stairs) Java动态规划入门分析一
前言首先做题不是目的,我写这篇文章的目的是通过例题来分析动态规划,揭开动态规划神秘面纱的的一角,我是想通过一些例题分析来带领我和大家入动态规划的门,若是我哪里分析或思考的有误区,或者错误,请大家能够对我进行评论或私信指正1.使用最小花费爬楼梯(MinCostClimbingStairs)Java动态规划入门分析一2.打家劫舍(HouseRobber)Java动态规划入门分析二3.剪绳子(CutRo
malimingwq
·
2020-08-20 03:17
算法练习
leetcode python 69. x 的平方根 70. 爬楼梯
https://leetcode-cn.com/problems/sqrtx/description/https://leetcode-cn.com/problems/
climbing
-stairs/description
u012860582
·
2020-08-20 02:53
Leetcode
动态规划专题
LeetCode70https://leetcode.com/problems/
climbing
-stairs/算法思路:设置递推数组dp[0…n],dp[i]代表到达第i阶,有?
jassy_shan
·
2020-08-19 21:06
数据结构与算法
Min Cost
Climbing
Stairs
Easy比较straightforward的dp题目classSolution{publicintminCostClimbingStairs(int[]cost){int[]dp=newint[cost.length+1];dp[0]=0;dp[1]=0;dp[2]=0;for(inti=3;i
greatfulltime
·
2020-08-19 10:55
Climbing
Stairs in python
题目链接https://leetcode.com/explore/interview/card/top-interview-questions-easy/97/dynamic-programming/569/Youareclimbingastaircase.Ittakesnstepstoreachtothetop.Eachtimeyoucaneitherclimb1or2steps.Inhowma
你过来啊2018
·
2020-08-19 01:06
hdu4315
Climbing
the Hill(阶梯博弈)
ClimbingtheHillTimeLimit:2000/1000MS(Java/Others)MemoryLimit:32768/32768K(Java/Others)TotalSubmission(s):1218AcceptedSubmission(s):548ProblemDescriptionAliceandBobareplayingagamecalled"ClimbingtheHill
随心丶而遇
·
2020-08-18 08:28
ACM—数论
ACM—博弈
各OJ刷题专栏
Climbing
Stairs大水题不用看了
64.MinimumPathSumMedium151742FavoriteShareGivenamxngridfilledwithnon-negativenumbers,findapathfromtoplefttobottomrightwhichminimizesthesumofallnumbersalongitspath.Note:Youcanonlymoveeitherdownorrighta
weixin_30920513
·
2020-08-18 04:46
每日一道 LeetCode (17):爬楼梯
meteor1993/LeetCodeGitee:https://gitee.com/inwsy/LeetCode题目:爬楼梯题目来源:https://leetcode-cn.com/problems/
climbing
-stairs
极客挖掘机
·
2020-08-17 10:09
LeetCode
C++ function对象
今天在做题目https://leetcode-cn.com/problems/
climbing
-stairs/的时候发现有人的答案是这样写的:#include#includeclassSolution{
长亭闻道
·
2020-08-16 14:29
C/C++
Climbing
Stairs
问题Youareclimbingastaircase.Ittakesnstepstoreachtothetop.Eachtimeyoucaneitherclimb1or2steps.Inhowmanydistinctwayscanyouclimbtothetop?Note:Givennwillbeapositiveinteger.Example1:Input:2Output:2Explanatio
muqingwind
·
2020-08-16 08:36
LeetCode
JavaScript实现爬楼梯
来自力扣官网:https://leetcode-cn.com/problems/
climbing
-stairs/1问题描述假设你正在爬楼梯。需要n阶你才能到达楼顶。每次你可以爬1或2个台阶。
bailizx
·
2020-08-15 22:56
#
动态规划
Climbing
Worm
ClimbingWorm问题链接http://acm.hdu.edu.cn/showproblem.php?pid=1049ProblemDescriptionAninchwormisatthebottomofawellninchesdeep.Ithasenoughenergytoclimbuincheseveryminute,butthenhastorestaminutebeforeclimbi
qq_43993717
·
2020-08-15 15:07
LeetCode - 70.爬楼梯 swift
原题链接:https://leetcode-cn.com/problems/
climbing
-stairs/假设你正在爬楼梯。需要n阶你才能到达楼顶。每次你可以爬1或2个台阶。
huxq_coder
·
2020-08-15 10:52
leetcode 经典动态规划DP算法题目(思路、方法、code)
动态规划最重要的在于设计DP数组,找到相应的动态转移方程文章目录leetcode经典动态规划DP算法题目(思路、方法、code)[70.爬楼梯](https://leetcode-cn.com/problems/
climbing
-stairs
coding丁
·
2020-08-14 10:33
数据结构与算法
每日一道 LeetCode (17):爬楼梯
meteor1993/LeetCodeGitee:https://gitee.com/inwsy/LeetCode题目:爬楼梯题目来源:https://leetcode-cn.com/problems/
climbing
-stairs
极客挖掘机
·
2020-08-14 08:00
Climbing
Worm
ClimbingWormTimeLimit:2000/1000MS(Java/Others)MemoryLimit:65536/32768K(Java/Others)TotalSubmission(s):13174AcceptedSubmission(s):8878ProblemDescriptionAninchwormisatthebottomofawellninchesdeep.Ithasen
changhaiSmile
·
2020-08-14 00:23
数论
Climbing
Worm Problem - 1049
TextReverseTimeLimit:1000/1000MS(Java/Others)MemoryLimit:32768/32768K(Java/Others)ProblemDescriptionAninchwormisatthebottomofawellninchesdeep.Ithasenoughenergytoclimbuincheseveryminute,butthenhastores
RouTineD
·
2020-08-13 22:47
ACM训练题
climbing
worm(贪心)
链接:http://acm.hdu.edu.cn/showproblem.php?pid=1051思路:一定是奇数,因为到最后肯定是只要花一分钟到达,而前面每一次都是两分钟。代码:#include#include#include#include#includeusingnamespacestd;intmain(){intn,u,d;while(cin>>n>>u>>d){if(!n&&!u&&!d
pm12137
·
2020-08-13 17:29
#
贪心
C#LeetCode刷题之#746-使用最小花费爬楼梯( Min Cost
Climbing
Stairs)
问题该文章的最新版本已迁移至个人博客【比特飞】,单击链接https://www.byteflying.com/archives/4016访问。数组的每个索引做为一个阶梯,第i个阶梯对应着一个非负数的体力花费值cost[i](索引从0开始)。每当你爬上一个阶梯你都要花费对应的体力花费值,然后你可以选择继续爬一个阶梯或者爬两个阶梯。您需要找到达到楼层顶部的最低花费。在开始时,你可以选择从索引为0或1的
byteflying.com
·
2020-08-13 16:42
C#LeetCode刷题
C#LeetCode
Climbing
Worm————攀缘蠕虫
Aninchwormisatthebottomofawellninchesdeep.Ithasenoughenergytoclimbuincheseveryminute,butthenhastorestaminutebeforeclimbingagain.Duringtherest,itslipsdowndinches.Theprocessofclimbingandrestingthenrepea
韩小妹
·
2020-08-13 14:23
C语言
hdoj
hdu5433 Xiao Ming
climbing
(BestCoder Round #55 ($) )
XiaoMingclimbingTimeLimit:2000/1000MS(Java/Others)MemoryLimit:65536/65536K(Java/Others)TotalSubmission(s):489AcceptedSubmission(s):120ProblemDescriptionDuetothecursemadebythedevil,XiaoMingisstrandedon
随心丶而遇
·
2020-08-13 13:34
ACM—搜索
ACM—BC
各OJ刷题专栏
C -
Climbing
Worm
题目如下:Aninchwormisatthebottomofawellninchesdeep.Ithasenoughenergytoclimbuincheseveryminute,butthenhastorestaminutebeforeclimbingagain.Duringtherest,itslipsdowndinches.Theprocessofclimbingandrestingthen
aifu4148
·
2020-08-13 12:18
HDU 1049
Climbing
Worm
水题一道~ProblemDescriptionAninchwormisatthebottomofawellninchesdeep.Ithasenoughenergytoclimbuincheseveryminute,butthenhastorestaminutebeforeclimbingagain.Duringtherest,itslipsdowndinches.Theprocessofclim
ChinaCzy
·
2020-08-13 11:01
ACM
Climbing
Worm(蜗牛爬井问题,递推)
ClimbingWormAninchwormisatthebottomofawellninchesdeep.Ithasenoughenergytoclimbuincheseveryminute,butthenhastorestaminutebeforeclimbingagain.Duringtherest,itslipsdowndinches.Theprocessofclimbingandrest
张志来
·
2020-08-13 11:01
ACM
leetcode 79:
climbing
-stairs
题目描述你在爬楼梯,需要n步才能爬到楼梯顶部每次你只能向上爬1步或者2步。有多少种方法可以爬到楼梯顶部?题目分析:当n等于0时,有0种方法。当n等于1时,有1种方法,当n等于2时,有两种方法,当n大于2时共有climbStairs(n-1)+climbStairs(n-2)种方法,符合斐波那契数列的规律。因此问题转换为求菲波那切数列的问题了,代码如下:1intclimbStairs(intn){2
请叫我小小兽
·
2020-08-11 11:00
leetcode笔记:
Climbing
Stairs(斐波那契数列问题)
一.题目描述Youareclimbingastaircase.Ittakesnstepstoreachtothetop.Eachtimeyoucaneitherclimb1or2steps.Inhowmanydistinctwayscanyouclimbtothetop?题目的大意是,已知有n阶楼梯,每次只能爬1阶或2阶楼梯,问爬到第n阶楼梯共有几种爬法-_-||。题目可以看成是,设f(n)表示爬
Herbert_Zero
·
2020-08-10 06:30
数据结构与算法
leetcode笔记
LSGO——LeetCode实战(数组系列): 70题 爬楼梯 (
Climbing
Stairs)
原题:假设你正在爬楼梯。需要n阶你才能到达楼顶。每次你可以爬1或2个台阶。你有多少种不同的方法可以爬到楼顶呢?注意:给定n是一个正整数。示例1:输入:2输出:2解释:有两种方法可以爬到楼顶。1阶+1阶2阶示例2:输入:3输出:3解释:有三种方法可以爬到楼顶。1阶+1阶+1阶1阶+2阶2阶+1阶来源:力扣(LeetCode)链接:https://leetcode-cn.com/problems/cl
顶尖菜鸟
·
2020-08-07 17:51
LeetCode实战
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