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第22题 Rotate List
Given a list, rotate the list to the right bykplaces, wherekis non-negative.For example:Given1->2->3->4->5->NULLandk=2,return4->5->1->2->3->NULL.Solut...
分类:其他好文   时间:2014-10-29 21:01:17    阅读次数:139
[LeetCode] Rotate List
Given a list, rotate the list to the right bykplaces, wherekis non-negative.For example:Given1->2->3->4->5->NULLandk=2,return4->5->1->2->3->NULL.思路一:首...
分类:其他好文   时间:2014-10-29 18:45:47    阅读次数:139
LeetCode: Multiply Strings. Java
Given two numbers represented as strings, return multiplication of the numbers as a string. Note: The numbers can be arbitrarily large and are non-negative. public class Solution { //模拟手算乘法 ...
分类:编程语言   时间:2014-10-29 09:14:28    阅读次数:168
SparseLDA算法
2 SparseLDA算法本章将介绍一种Gibbs Sampling算法的加速算法——SparseLDA [9],它主要利用LDA 模型的稀疏性,来达到加速以及节省内存的目的,是一种精确算法(没有近似)。2.1 背景q(z)=ntk,¬i+βnk,¬i+βV(nkm,¬i+αk)(1)在介绍具体的算...
分类:编程语言   时间:2014-10-28 21:33:48    阅读次数:380
A Tour of Go Exercise: Errors
Copy yourSqrtfunction from the earlier exercises and modify it to return anerrorvalue.Sqrtshould return a non-nil error value when given a negative nu...
分类:其他好文   时间:2014-10-28 21:22:45    阅读次数:155
LeetCode: Trapping Rain Water 解题报告
https://oj.leetcode.com/problems/trapping-rain-water/Trapping Rain WaterGiven n non-negative integers representing an elevation map where the width of...
分类:移动开发   时间:2014-10-28 19:54:55    阅读次数:213
Reservoir Sampling 蓄水池抽样算法,经典抽样
随机读取数据,如何保证真随机是不可能的,因为计算机的随机函数是伪随机的。但是在不考虑计算机随机函数的情况下,如何保证数据的随机采样呢?1.系统提供的shuffle函数 C++/Java都提供有shuffle函数,可以对容器内部的数据打乱,保持随机排序。 C++:1 template 2 vo...
分类:编程语言   时间:2014-10-28 19:54:20    阅读次数:200
LeetCode: Container With Most Water 解题报告
Container With Most WaterGiven n non-negative integers a1, a2, ..., an, where each represents a point at coordinate (i, ai). n vertical lines are draw...
分类:其他好文   时间:2014-10-28 19:30:59    阅读次数:163
[leetcode]Plus One
问题描述: Given a non-negative number represented as an array of digits, plus one to the number. The digits are stored such that the most significant digit is at the head of the list. 代码: ...
分类:其他好文   时间:2014-10-28 17:49:25    阅读次数:147
LeetCode Plus One
Given a non-negative number represented as an array of digits, plus one to the number. The digits are stored such that the most significant digit is at the head of the list. 题目描述: 输入一个数组表示的...
分类:其他好文   时间:2014-10-28 13:53:27    阅读次数:157
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