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[leetcode]Anagrams @ Python
原题地址:https://oj.leetcode.com/problems/anagrams/题意:Given an array of strings, return all groups of strings that are anagrams.Note: All inputs will be i...
分类:编程语言   时间:2014-06-29 13:25:28    阅读次数:355
Divide Two Integers
用减法可能会超时,但可以用二分 class Solution { public:     int divide(int d1, int d2) {//       d1/d2         if(d1==0)             return 0;         if(d2==1)             return d1;         if(d2==-1)    ...
分类:其他好文   时间:2014-06-29 07:22:02    阅读次数:208
白话经典算法系列之五 归并排序的实现
归并排序是建立在归并操作上的一种有效的排序算法。该算法是採用分治法(Divide and Conquer)的一个很典型的应用。首先考虑下怎样将将二个有序数列合并。这个很easy,仅仅要从比較二个数列的第一个数,谁小就先取谁,取了后就在相应数列中删除这个数。然后再进行比較,假设有数列为空,那直接将还有...
分类:其他好文   时间:2014-06-11 21:52:36    阅读次数:289
LeetCode:Divide Two Integers
Divide two integers without using multiplication, division and mod operator. 其实刚开始看到这道题的时候,感觉应该是略简单。但真正开始写的时候发现了很多错误。 最开始的想法就是divisor一个一个加上去直到大于divide...
分类:其他好文   时间:2014-06-11 12:17:22    阅读次数:274
Python笔记-Grouping Records Together Based on a Field
Grouping Records Together Based on a Field Problem You have a sequence of dictionaries or instances and you want to iterate over the data in groups based on the value of a...
分类:编程语言   时间:2014-06-08 18:22:29    阅读次数:280
第四章 分治策略 4.1 最大子数组问题(自己想的,不知道是不是减治法)
package chap04_Divide_And_Conquer;import static org.junit.Assert.*;import java.util.Arrays;import org.junit.Test;/** * 算反导论第四章 4.1 最大子数组 * * @author ....
分类:其他好文   时间:2014-06-07 20:21:38    阅读次数:212
projecteuler---->problem=21----Amicable numbers
Let d(n) be defined as the sum of proper divisors of n (numbers less than n which divide evenly into n). If d(a) = b and d(b) = a, where a b, then a and b are an amicable pair and each of a and b...
分类:其他好文   时间:2014-06-07 13:40:53    阅读次数:226
【Leetcode】Divide Two Integers
Divide two integers without using multiplication, division and mod operator. 1 class Solution { 2 public: 3 int divide(int dividend, int divisor) ...
分类:其他好文   时间:2014-06-06 17:40:07    阅读次数:193
Table Groups [AX 2012]
Table Groups [AX 2012]0 out of 1 rated this helpful-Rate this topic Updated:February 21, 2012 Applies To:Microsoft Dynamics AX 2012 R2, Microsoft Dyna...
分类:其他好文   时间:2014-06-05 20:45:09    阅读次数:326
Amicable numbers -- Javascript 实现
问题描述: Let d(n) be defined as the sum of proper divisors of n (numbers less than n which divide evenly into n). If d(a) = b and d(b) = a, where a  b, then a and b are an amicable pair and each ...
分类:编程语言   时间:2014-06-02 12:31:42    阅读次数:298
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