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USACO 1.5 Prime Palindromes
Prime Palindromes The number 151 is a prime palindrome because it is both a prime number and a palindrome (it is the same number when read forward as ...
分类:其他好文   时间:2016-08-29 17:56:26    阅读次数:247
POJ3292 Semi-prime H-numbers
传送门: 刷《数论一本通》时看到的题,简单记录一下。 题目大意(照抄书上的):形如4n+1的数被称为H数,乘法在H数组成的集合内是封闭的。在这个集合中是能被1和本身整除的数叫H-素数,其余的数被称为H合数,1个 H-合成数是一个能且只能被分解成两个H-素数乘积的H合数,求0-h内有多少个H合成数。 ...
分类:其他好文   时间:2016-08-29 17:41:14    阅读次数:189
UVa11762
11762 Race to 1Dilu have learned a new thing about integers, which is - any positive integer greater than 1 can bedivided by at least one prime number ...
分类:其他好文   时间:2016-08-29 01:35:37    阅读次数:214
ubuntu nvidia驱动
sudo apt-get install nvidia-331 nvidia-settings nvidia-primeThermal Settings下查看显卡温度,在PRIME Profiles下进行显卡切换。 Reference:http://my.oschina.net/eechen/blo ...
分类:系统相关   时间:2016-08-28 22:33:10    阅读次数:218
HDU4135(容斥原理)
Co-prime Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4090 Accepted Submission(s): 1619 Proble ...
分类:其他好文   时间:2016-08-27 15:26:15    阅读次数:150
题目1459:Prime ring problem
题目1459:Prime ring problem 时间限制:2 秒 内存限制:128 兆 特殊判题:否 提交:1888 解决:794 题目描述: A ring is compose of n circles as shown in diagram. Put natural number 1, 2, ...
分类:其他好文   时间:2016-08-26 18:31:36    阅读次数:164
poj---3126---Prime Path
题目链接:http://poj.org/problem?id=3126 ...
分类:其他好文   时间:2016-08-24 17:00:53    阅读次数:218
大数据相乘————阶乘因式分解(一)
describe Given two Numbers m, n, m is a prime number. N (0 < = n < = 10000) of the factorial prime factors, there are many m. The input The first line ...
分类:其他好文   时间:2016-08-23 22:00:10    阅读次数:145
hdu 1875 最小生成树 prime版
大致的步骤 首先选取一个到集合最近的点 然后标记起在集合内部 然后更新最短距离 畅通工程再续 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 24 ...
分类:其他好文   时间:2016-08-23 16:39:16    阅读次数:232
csu 1552(米勒拉宾素数测试+二分图匹配)
1552: Friends Description On an alien planet, every extraterrestrial is born with a number. If the sum of two numbers is a prime number, then two extr ...
分类:其他好文   时间:2016-08-21 18:35:32    阅读次数:192
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