题目
Given a set of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers sums
to T.
The same repeated number may be chosen from C un...
分类:
其他好文 时间:
2014-06-15 20:00:18
阅读次数:
185
题目
Given a collection of candidate numbers (C) and a target number (T), find all unique combinations in C where the candidate numbers
sums to T.
Each number in C may only be used once in...
分类:
其他好文 时间:
2014-06-15 19:24:21
阅读次数:
229
Humble Numbers
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 9396
Accepted: 4417
Description
A number whose only prime factors are 2,3,5 or 7 is called a...
分类:
其他好文 时间:
2014-06-15 19:04:15
阅读次数:
159
题目就是给出一组数,让我们测试其中有多少个是素数。
求素数有测试sqrt(n)个数的方法,有筛子方法,不过对于本题这样的题目来说就都不是高效的。
本题使用Miller Rabin素数测试法,效率奇高,对于不是极其大的整数测试都几乎是常数时间。令人神往的算法啊。
网上有个程序,好像是什么吉林的模板程序,不过我一直没看懂他是什么思路写的,是个AC的程序,不过却是错误的,呵呵,因为程序一直把9当做...
分类:
其他好文 时间:
2014-06-15 18:48:07
阅读次数:
194
题目
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.
方法
将num1与0-9相乘的结果存...
分类:
其他好文 时间:
2014-06-14 06:08:30
阅读次数:
229
Given a m x n grid filled with non-negative numbers, find a path from top left to bottom right which minimizes the sum of all numbers along its path.
Note: You can only move either down or right at...
分类:
其他好文 时间:
2014-06-13 20:36:56
阅读次数:
280
原题地址:https://oj.leetcode.com/problems/multiply-strings/题意:Given
two numbers represented as strings, return multiplication of the numbers as a
string.N...
分类:
编程语言 时间:
2014-06-12 21:43:03
阅读次数:
344
The following scripts can be used to check for
huge line numbers:-- PO Requisitionsselect * from PO_REQUISITION_LINES_ALL where
LINE_NUM > 1000000000;...
分类:
数据库 时间:
2014-06-12 09:41:27
阅读次数:
295
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.
For example,
"A man, a plan, a canal: Panama" is
a palindrome.
"race a car" is no...
分类:
其他好文 时间:
2014-06-10 18:36:29
阅读次数:
193