/** * jQuery MD5 hash algorithm function * * *
Calculate the md5 hash of a String * String $.md5 ( String str ) * * *
Calculates the MD5 ha...
分类:
Web程序 时间:
2014-06-05 21:50:52
阅读次数:
612
title:
By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13.
What is the 10 001st prime number?
翻译:
通过列出前6个质数,我们可知第6个质数是13。
那么第10001个质数是...
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其他好文 时间:
2014-06-05 12:28:28
阅读次数:
277
一切见注释。
#include
#include
#include
#include
using namespace std;
bool vis[22];
int n;
int ans[22];
int top;
bool isprime(int x)//判断素数
{
for(int i=2;i<x;i++)
if(x%i==0)return false;
...
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其他好文 时间:
2014-06-05 08:26:47
阅读次数:
201
Power of CryptographyDescriptionCurrent work in
cryptography involves (among other things) large prime numbers and computing
powers of numbers among t...
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其他好文 时间:
2014-06-04 16:27:41
阅读次数:
248
OJ题目:click here~~
题目分析:输出第k个素数
贴这么简单的题目,目的不纯洁
用筛法求素数的基本思想是:把从1开始的、某一范围内的正整数从小到大顺序排列, 1不是素数,首先把它筛掉。剩下的数中选择最小的数是素数,然后去掉它的倍数。依次类推,直到筛子为空时结束。如有:
1 2 3 4 5 6 7 8 9 10
11 12 13 14 15...
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其他好文 时间:
2014-06-03 01:31:03
阅读次数:
233
1.Problem DescriptionGiven a sequence
a[1],a[2],a[3]......a[n], your job is to calculate the max sum of a
sub-sequence. For example, given (6,-1,5,4,-...
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其他好文 时间:
2014-06-02 17:36:53
阅读次数:
234
题目链接:
http://poj.org/problem?id=3126
题目:
Prime Path
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 10737
Accepted: 6110
Description
The ministers of...
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其他好文 时间:
2014-06-02 02:21:22
阅读次数:
228
??
Description
Given N numbers, X1,
X2, ... , XN, let us calculate the difference of every pair of numbers: ∣Xi
- Xj∣ (1 ≤ i
< j ≤ N). We can get C(N,2) differences through this work, and no...
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其他好文 时间:
2014-06-01 14:07:56
阅读次数:
347
Prime PathTime Limit: 1000MSMemory Limit:
65536KTotal Submissions: 10729Accepted: 6109DescriptionThe ministers of the
cabinet were quite upset by the ...
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其他好文 时间:
2014-06-01 12:11:35
阅读次数:
174
DescriptionYou have an
arraya[1],?a[2],?...,?a[n], containing distinct integers from1ton. Your task is
to sort this array in increasing order with the...
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其他好文 时间:
2014-05-31 01:35:23
阅读次数:
318