码迷,mamicode.com
首页 >  
搜索关键字:prime    ( 2475个结果
LeetCode(264):Ugly Number II
Ugly Number II:Write a program to find the n-th ugly number.Ugly numbers are positive numbers whose prime factors only include 2, 3, 5. For example, 1...
分类:其他好文   时间:2016-03-05 20:31:38    阅读次数:191
LeetCode(204):Count Primes
Count Primes:Count the number of prime numbers less than a non-negative number, n. 题意:求出小于n的数中质数的个数。 思路:可以先写出一个判断一个整数是否是质数的函数,然后在从1到n开始判断,但是通过不了,看了提示中...
分类:其他好文   时间:2016-03-05 20:28:08    阅读次数:134
素数筛
1 void daa() 2 { 3 int k=0; 4 for(int i=2;i<100000;i++) 5 { 6 if(x[i]==0) 7 { 8 prime[k]=i; 9 for(int j=i*2; j<100000; j+=i) 10 x[j]=1; 11 k++; 12 } 1
分类:其他好文   时间:2016-03-01 14:13:21    阅读次数:105
[LeetCode][JavaScript]Count Primes
Count Prime Description: Count the number of prime numbers less than a non-negative number, n. https://leetcode.com/problems/count-primes/ 找出所有小于n的数中的
分类:编程语言   时间:2016-02-28 16:27:01    阅读次数:415
Count Primes
题目: Description: Count the number of prime numbers less than a non-negative number, n. cpp: class Solution { public: int countPrimes(int n) { bool isP
分类:其他好文   时间:2016-02-28 15:16:42    阅读次数:215
UVA1210Sum of Consecutive Prime Numbers(素数打表 + 连续和)
题目链接 题意:输入一个数n (2 <= n <= 10000) 有多少种方案可以把n写成若干个连续素数之和 打出10000之内的素数表,然后再打出每个可能得到的和的方案数的表 1 #include <iostream> 2 #include <cstring> 3 #include <algori
分类:其他好文   时间:2016-02-28 12:34:09    阅读次数:158
python计算列表中素数的个数
1 #!/usr/bin/env python 2 # Gets the number of primes in the list 3 4 list1 = [2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 29] 5 # Get prime function . 6 def get_
分类:编程语言   时间:2016-02-26 18:38:06    阅读次数:211
[Introduction to programming in Java 笔记] 1.3.9 Factoring integers 素因子分解
素数 A prime is an integer greater than one whose only positive divisors are one and itself.整数的素因子分解是乘积等于此素数的集合。例如:3757208 = 2*2*2*7*13*13*397 public cl
分类:编程语言   时间:2016-02-20 00:28:29    阅读次数:176
Java [Leetcode 204]Count Primes
题目描述: Description: Count the number of prime numbers less than a non-negative number, n. 解题思路: Let's start with a isPrime function. To determine if a
分类:编程语言   时间:2016-02-20 00:26:13    阅读次数:280
[2016-02-19][UVA][524][Prime Ring Problem]
[2016-02-19][UVA][524][Prime Ring Problem]UVA - 524Prime Ring ProblemTime Limit: 3000MSMemory Limit: Unknown64bit IO Format: %lld & %lluSubmit StatusD...
分类:其他好文   时间:2016-02-20 00:21:03    阅读次数:249
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!