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LeetCode with Python -> Dynamic Programming
198. House Robber You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only cons ...
分类:编程语言   时间:2018-01-08 22:30:02    阅读次数:200
HDU 3440 House Man
这是一道差分约束的题,但是本题有两个坑点 1. INF要足够大 2. 本题问的是距离的最大值,距离一定是正的,所以我们不能只是单纯的最短路,而要注意每个点的位置关系,即向左走为负,向右走为正。 cpp include include include include include include d ...
分类:其他好文   时间:2018-01-02 11:42:32    阅读次数:141
sklearn知识点汇总
(为了节约空间,打印结果常用“...”表示省略) 加载数据集 1. 加载sklearn自带的数据集 scikit learn有一些自带的标准数据集,例如用于分类的经典数据集iris和digits以及用于回归的boston house prices数据集。 这些自带的数据集一种是类似字典的对象,它保存 ...
分类:其他好文   时间:2018-01-01 16:57:00    阅读次数:334
BZOJ 2038 2009国家集训队 小z的袜子(house)
2038: [2009国家集训队]小Z的袜子(hose) Description 作为一个生活散漫的人,小Z每天早上都要耗费很久从一堆五颜六色的袜子中找出一双来穿。终于有一天,小Z再也无法忍受这恼人的找袜子过程,于是他决定听天由命……具体来说,小Z把这N只袜子从1到N编号,然后从编号L到R(L 尽管 ...
分类:其他好文   时间:2017-12-23 12:02:49    阅读次数:133
R读 txt 文件
house<-read.table("house_data.txt", header = TRUE, sep='|',fileEncoding ='UTF-8')id|house_customized_id|community_id|community_name|house_area|house_s ...
分类:其他好文   时间:2017-12-18 18:53:53    阅读次数:116
Uva12230Crossing Rivers (数学期望)
问题: You live in a village but work in another village. You decided to follow the straight path between your house (A) and the working place (B), but t ...
分类:其他好文   时间:2017-12-08 12:18:41    阅读次数:223
337. House Robber III
The thief has found himself a new place for his thievery again. There is only one entrance to this area, called the "root." Besides the root, each hou ...
分类:其他好文   时间:2017-12-07 22:42:47    阅读次数:245
September 14th 2017 Week 37th Thursday
Don't let the past steal your present. 别让过去悄悄偷走了我们的当下。 We take what we can get and make the best of it. 我们取我们所能取,好好地享用。 From The House on Mango Street ...
分类:其他好文   时间:2017-12-01 15:15:10    阅读次数:157
House Robber
题目的意思很简单,就是每次只能取非连续的两个值 用分治法在nums比较大时会超时 仔细思考一下发现有重复子问题,设v中存着最优的解,则最优解为 max(v[n][0],v[n][1]),v[n][0]表示不取第n个数时的最优解,v[n][1]表示取第n个数时的最优解,同时满足最优子结构性质,如下所示 ...
分类:其他好文   时间:2017-11-30 19:22:24    阅读次数:143
Paint House II
Time Complexity: O(N*K), Space Complexity: O(1) The idea is similar to the problem Paint House I, for each house and each color, the minimum cost of p ...
分类:其他好文   时间:2017-11-30 13:37:47    阅读次数:184
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