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UVA11005 Semi-prime H-numbers(筛法)
UVA - 11105 Semi-prime H-numbers Time Limit: 3000MS   Memory Limit: Unknown   64bit IO Format: %lld & %llu Submit Status Description Problem A: Semi-prime H-number...
分类:其他好文   时间:2015-05-07 06:30:38    阅读次数:217
UVA 1210 Sum of Consecutive Prime Numbers(数论)
UVA - 1210 Sum of Consecutive Prime Numbers Time Limit: 3000MS   Memory Limit: Unknown   64bit IO Format: %lld & %llu Submit Status Description Some positive integ...
分类:其他好文   时间:2015-05-07 06:27:38    阅读次数:169
ZOJ 3596 Digit Number(BFS)
Digit NumberTime Limit:10 Seconds Memory Limit:65536 KBGiven an integernand an integerm, please calculate the minimal multiple ofnwhich consists of ex...
分类:其他好文   时间:2015-05-07 06:22:22    阅读次数:90
Length of S(n)
DescriptionA number sequence is defined as following:S(1)=1,S(2)=11,S(3)=21,S(4)=1211,S(5)=111221,S(6)=312211,……Now, we need you to calculate the leng...
分类:其他好文   时间:2015-05-06 17:04:49    阅读次数:143
[BZOJ2820]YY的GCD|莫比乌斯反演
Description神犇YY虐完数论后给傻×kAc出了一题给定N, M,求1 2 #include 3 #include 4 const int maxn = 10000010,maxp = 664580; 5 int vis[maxn],prime[maxp],mu[maxn]; 6 long ...
分类:其他好文   时间:2015-05-06 17:00:57    阅读次数:119
leetcode 204/187/205 Count Primes/Repeated DNA Sequences/Isomorphic Strings
一:leetcode 204 Count Primes 题目: Description: Count the number of prime numbers less than a non-negative number, n 分析:此题的算法源码可以参看这里,http://en.wikipedia.org/wiki/Sieve_of_Eratosthenes 代码: cl...
分类:其他好文   时间:2015-05-06 15:06:39    阅读次数:162
Count Primes
Count Primes问题:Count the number of prime numbers less than a non-negative number,n思路: 计算质数的方法:http://en.wikipedia.org/wiki/Prime_number我的代码:public cl....
分类:其他好文   时间:2015-05-06 12:48:30    阅读次数:117
理解javascript原型与原型链
想要学习javascript中的面向对象编程(oop),首先就要了解原型及原型链。先来个例子,了解原型1 function Foo(y){ 2 this.y = y; 3 } 4 Foo.prototype.x = 10; 5 Foo.prototype.calculate = function(z...
分类:编程语言   时间:2015-05-06 01:22:13    阅读次数:154
Count Primes
https://leetcode.com/problems/count-primes/Description:Count the number of prime numbers less than a non-negative number,nclick to show more hints.Cre...
分类:其他好文   时间:2015-05-05 21:10:44    阅读次数:103
u Calculate e阶乘相加求和问题
问题: (n int main() { int f[10]={1,1,2,6,24,120,720,5040,40320,362880}; int n; double e; printf("n e\n"); printf("- -----------\n"); printf("%d %...
分类:其他好文   时间:2015-05-05 10:10:35    阅读次数:177
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