Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the arr ...
分类：
其他好文 时间：
2016-04-13 12:41:49
阅读次数：
164
Problem Description
Given a positive integer n, find the positions of all 1’s in its binary representation. The position of the least significant bit is 0.ExampleThe positions of 1’s in the binary rep...
分类：
其他好文 时间：
2016-04-10 14:57:38
阅读次数：
123
4.4 R1 In which of the following problems is Case/Control Sampling LEAST likely to make a positive impact? A. Predicting a shopper's gender based on t ...
分类：
其他好文 时间：
2016-04-09 07:02:33
阅读次数：
188
1、错误描写叙述 2014-7-13 2:38:54 org.apache.jasper.compiler.TldLocationsCache tldScanJar 信息: At least one JAR was scanned for TLDs yet contained no TLDs. En ...
分类：
移动开发 时间：
2016-04-06 15:12:02
阅读次数：
191
Write a SQL query to find all numbers that appear at least three times consecutively. For example, given the above Logs table, 1 is the only number th ...
分类：
其他好文 时间：
2016-04-05 12:32:25
阅读次数：
137
Quantitative algorithm
Error evaluation
In this chapter, we review some of the key ideas underlying the linear regression model, as well as the least squares approach that is most commonly used to...
分类：
其他好文 时间：
2016-04-05 10:54:55
阅读次数：
342
地址：http://acm.hdu.edu.cn/showproblem.php?pid=1019 题目： Problem Description The least common multiple (LCM) of a set of positive integers is the smalles ...
分类：
其他好文 时间：
2016-04-04 14:38:58
阅读次数：
161
并查集（Union-find Sets）是一种非常精巧而实用的数据结构，它主要用于处理一些不相交集合的合并问题。一些常见的用途有求连通子图、求最小生成树的 Kruskal 算法和求最近公共祖先（Least Common Ancestors, LCA）等。 使用并查集时，首先会存在一组不相交的动态集合 ...
分类：
其他好文 时间：
2016-04-02 18:53:32
阅读次数：
166
http://www.geeksforgeeks.org/rearrange-a-string-so-that-all-same-characters-become-at-least-d-distance-away/ Given a string and a positive integer d. ...
分类：
其他好文 时间：
2016-04-02 12:16:12
阅读次数：
236
Some further statements on KNN:
It
appears that k-nearest-neighbor fits have a single parameter, the number of neighbors k, compared to the p parameters in least-squares fits. Although this is the...
分类：
其他好文 时间：
2016-04-01 18:33:09
阅读次数：
516
