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python回溯法子集树
python回溯法子集树
python
回溯法
子集
树
模板 系列 —— 15、总结
作者：hhh5460 时间：2017年6月3日 用
回溯法子集树
模板解决了这么多问题，这里总结一下使用
回溯法子集树
模板的步骤：1、确定元素及其状态空间（精髓）对每一个元素，遍历它的状态空间，其它的事情交给剪枝函数！（正是这一点，使得它无愧于...
python
回溯法
子集
树
模板 系列 —— 15、总结
作者：hhh5460 时间：2017年6月3日 用
回溯法子集树
模板解决了这么多问题，这里总结一下使用
回溯法子集树
模板的步骤：1、确定元素及其状态空间（精髓）对每一个元素，遍历它的状态空间，其它的事情交给剪枝函数！（正是这一点，使得它无愧于...
python
回溯法
子集
树
模板 系列 —— 16、爬楼梯
但是，这里我要用
回溯法子集树
模板解决它。祭出元素-状态空间分析大
法
：每一步是一个元素，可走的步数[1,2]就是其状态空间。不难看出，元素不固定，状态空间固定。直接上代码。代码 '''爬楼梯''' n=7#楼梯阶数 x=[]#一个解（长度不固定，1-...
python
回溯法
子集
树
模板 系列 —— 16、爬楼梯
但是，这里我要用
回溯法子集树
模板解决它。祭出元素-状态空间分析大
法
：每一步是一个元素，可走的步数[1,2]就是其状态空间。不难看出，元素不固定，状态空间固定。直接上代码。代码 '''爬楼梯''' n=7#楼梯阶数 x=[]#一个解（长度不固定，1-...
python
回溯法
子集
树
模板 系列 —— 11、全排列
代码 '''用子集
树
实现全排列''' n=4 a=['a','b','c','d']x=[0]*n#一个解（n元0-1数组）X=[]#一组解#冲突检测：无 def conflict(k):global n,x,X,a return False#无冲突#用子集
树
模板实现全排列 def perm(k):#到达第k个元素 global n,a,x,X ...
python
回溯法
子集
树
模板 系列 —— 11、全排列
代码 '''用子集
树
实现全排列''' n=4 a=['a','b','c','d']x=[0]*n#一个解（n元0-1数组）X=[]#一组解#冲突检测：无 def conflict(k):global n,x,X,a return False#无冲突#用子集
树
模板实现全排列 def perm(k):#到达第k个元素 global n,a,x,X ...
python
回溯法
子集
树
模板 系列 —— 2、迷宫问题
显然，可以套用
回溯法
的子集
树
模板。注意，解的长度是不固定的。图片来源：点我 代码#迷宫（1是墙，0是通路）maze=[[1,1,1,1,1,1,1,1,1,1],[0,0,1,0,1,1,1,1,0,1],[1,1,0,1,0,1,1,0,1,1],[1,0,1,1,1,0,0,1,1,1],[1,1,1,0,0,1,1,0,1,1],[1,1...
python
回溯法
子集
树
模板 系列 —— 2、迷宫问题
显然，可以套用
回溯法
的子集
树
模板。注意，解的长度是不固定的。图片来源：点我 代码#迷宫（1是墙，0是通路）maze=[[1,1,1,1,1,1,1,1,1,1],[0,0,1,0,1,1,1,1,0,1],[1,1,0,1,0,1,1,0,1,1],[1,0,1,1,1,0,0,1,1,1],[1,1,1,0,0,1,1,0,1,1],[1,1...
python
回溯法
子集
树
模板 系列 —— 18、马踏棋盘
套用
回溯法子集树
模板。代码 '''马踏棋盘''' n=5#8太慢了，改为5 p=[(-2,1),(-1,2),(1,2),(2,1),(2,-1),(1,-2),(-1,-2),(-2,-1)]#状态空间，8个方向 entry=(2,2)#出发地 x=[None]*(n*n)#一个解，长度固定64，形如[(2,2),(4,3),.]X=[]#一组...
python
回溯法
子集
树
模板 系列 —— 18、马踏棋盘
套用
回溯法子集树
模板。代码 '''马踏棋盘''' n=5#8太慢了，改为5 p=[(-2,1),(-1,2),(1,2),(2,1),(2,-1),(1,-2),(-1,-2),(-2,-1)]#状态空间，8个方向 entry=(2,2)#出发地 x=[None]*(n*n)#一个解，长度固定64，形如[(2,2),(4,3),.]X=[]#一组...
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企业级分布式应用服务 EDAS
EDAS 是一个应用托管和微服务管理的PaaS平台，提供应用开发、部署、监控、运维等全栈式解决方案，同时支持Dubbo、Spring Cloud等微服务运行环境，助力您的各类应用轻松上云。
控制台
ECS集群用户指南
K8s集群用户指南
热门活动
包年包月优惠
1-5个实例免费使用
最佳实践
使用插件部署至EDAS
更多最佳实践
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企业级分布式应用服务 EDAS
EDAS 是一个应用托管和微服务管理的PaaS平台，提供应用开发、部署、监控、运维等全栈式解决方案，同时支持Dubbo、Spring Cloud等微服务运行环境，助力您的各类应用轻松上云。
控制台
ECS集群用户指南
K8s集群用户指南
热门活动
包年包月优惠
1-5个实例免费使用
最佳实践
使用插件部署至EDAS
更多最佳实践
