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124.Perfect Squares
Given a positive integer n, find the least number of perfect square numbers (for example, 1, 4, 9, 16, ...) which sum to n. For example, given n = 12, return 3 because 12 = 4 + 4 + 4; given n =...
分类:其他好文   时间:2016-05-12 17:25:26    阅读次数:106
poj 1979 Red and Black -- dfs
Red and Black Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 29614   Accepted: 16095 Description There is a rectangular room, covered with square tiles. Eac...
分类:其他好文   时间:2016-05-12 16:36:23    阅读次数:169
C++_DFS求连通度
DescriptionBenny has a spacious farm land to irrigate. The farm land is a rectangle, and is divided into a lot of samll squares. Water pipes are placed in these squares. Different square has a differen...
分类:编程语言   时间:2016-05-12 16:34:34    阅读次数:343
lightoj1022&&1072&&1107&&1118&&1178&&1216【基础计算几何】
1022 - Circle in Square     PDF (English) Statistics Forum Time Limit: 0.5 second(s) Memory Limit: 32 MB A circle is placed perfectly into a square. The term p...
分类:其他好文   时间:2016-05-12 16:27:26    阅读次数:374
使用Excel进行一元线性回归
使用回归可以得到确定的数学关系式,从而可能预测未来的变化。 使用Excel生成测试数据公式为: y=2*x+RAND()*5-2.5 使用回归工具 分析结果 MultipleR相关系数 0.9955  R Square 判定系数 0.991 均接近1表示回归结果相当不错。...
分类:其他好文   时间:2016-05-12 15:25:45    阅读次数:207
Retrofit2.0+RxJava+MVP+Bmob的使用
本篇来总结一下学过的关于android方面的东西。梳理一下知识:1.Retrofit2.0 Retrofit 是一个Square开发的类型安全的REST安卓客户端请求库。这个库为网络认证、API请求以及用OkHttp发送网络请求提供了强大的框架 。2.RxJava/RxAndroid RxJava是一款响应式变成框架。RxAndroid在RxJava基础之上扩展了android线程调度。RxJ...
分类:编程语言   时间:2016-05-12 13:03:34    阅读次数:150
[CareerCup] 18.11 Maximum Subsquare 最大子方形
18.11 Imagine you have a square matrix, where each cell (pixel) is either black or white. Design an algorithm to find the maximum subsquare such that ...
分类:其他好文   时间:2016-05-12 01:28:41    阅读次数:177
python leetcode 日记--Maximal Square--221
题目: Given a 2D binary matrix filled with 0's and 1's, find the largest square containing all 1's and return its area. For example, given the following ...
分类:编程语言   时间:2016-05-11 01:03:38    阅读次数:254
hdu1078 记忆化dfs
FatMouse and Cheese Problem Description FatMouse has stored some cheese in a city. The city can be considered as a square grid of dimension n: each gr ...
分类:其他好文   时间:2016-05-10 20:46:36    阅读次数:236
okhttp框架的使用
官网: http://square.github.io/okhttp/ 参考: http://www.jcodecraeer.com/a/anzhuokaifa/androidkaifa/2015/0106/2275.html ...
分类:Web程序   时间:2016-05-10 18:19:25    阅读次数:141
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