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[LeetCode][Java] Jump Game II
题目: Given an array of non-negative integers, you are initially positioned at the first index of the array. Each element in the array represents your m ...
分类:编程语言   时间:2017-07-09 21:57:40    阅读次数:108
43. Multiply Strings
https://leetcode.com/problems/multiply-strings/#/description Given two non-negative integers num1 and num2 represented as strings, return the product ...
分类:其他好文   时间:2017-07-09 12:38:23    阅读次数:107
[LeetCode] Add Two Numbers
题目内容 You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order and each of their nodes c ...
分类:其他好文   时间:2017-07-08 15:15:33    阅读次数:183
POJ 2329 -- Nearest number - 2
Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 4224 Accepted: 1308 Description Input is the matrix A of N by N non-negative integers. A di ...
分类:其他好文   时间:2017-07-07 23:28:04    阅读次数:245
[leetcode-415-Add Strings]
Given two non-negative integers num1 and num2 represented as string, return the sum of num1 and num2. Note: 思路: 模拟手工加法过程,用carry表示进位。 第一个是自己写的,比较啰嗦。 第二 ...
分类:其他好文   时间:2017-07-05 23:41:38    阅读次数:201
Codeforces Round #381 (Div. 2) Alyona and mex
Alyona's mother wants to present an array of n non-negative integers to Alyona. The array should be special. Alyona is a capricious girl so after she ...
分类:其他好文   时间:2017-07-04 15:00:37    阅读次数:177
[leetcode-633-Sum of Square Numbers]
Given a non-negative integer c, your task is to decide whether there're two integers a and b such that a2 + b2 = c. Example 1: Example 2: 思路: 类似于二分查找。 ...
分类:其他好文   时间:2017-07-02 13:04:36    阅读次数:126
scikit-learn:通过Non-negative matrix factorization (NMF or NNMF)实现LSA(隐含语义分析)
之前写过两篇文章。各自是 1)矩阵分解的综述:scikit-learn:2.5.矩阵因子分解问题 2)关于TruncatedSVD的简介:scikit-learn:通过TruncatedSVD实现LSA(隐含语义分析) 今天发现NMF也是一个非常好非常有用的模型,就简介一下。它也属于scikit-l ...
分类:其他好文   时间:2017-07-01 21:44:50    阅读次数:181
[LeetCode] 179. Largest Number Java
题目: Given a list of non negative integers, arrange them such that they form the largest number. For example, given [3, 30, 34, 5, 9], the largest form ...
分类:编程语言   时间:2017-07-01 11:49:49    阅读次数:175
LeetCode——Gray Code
The gray code is a binary numeral system where two successive values differ in only one bit. Given a non-negative integer n representing the total num ...
分类:其他好文   时间:2017-07-01 09:47:51    阅读次数:145
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