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【Leetcode】Count Primes
题目链接:https://leetcode.com/problems/count-primes/ 题目: Description: Count the number of prime numbers less than a non-negative number, n. 思路: 埃拉托色尼选筛法 算法: public int countPrimes...
分类:其他好文   时间:2016-06-02 13:49:18    阅读次数:132
LeetCode:Count Primes
Count Primes Total Accepted: 65068 Total Submissions: 263838 Difficulty: Easy Description: Count the number of prime numbers less than a non-negative number, n. Credits: S...
分类:其他好文   时间:2016-05-30 15:24:24    阅读次数:187
HDU 2161 Primes (素数筛选法)
题意:输入一个数判断是不是素数,并规定2不是素数。 析:一看就很简单吧,用素数筛选法,注意的是结束条件是n<0,一开始被坑了。。。 不说了,直接上代码: ...
分类:其他好文   时间:2016-05-22 22:55:59    阅读次数:272
neu 1694 Primorial vs LCM 数论
1694: Primorial vs LCM 题目描述 Given N (2<=N<=10^14), what is the quotient of LCM(1,2,3,....,N) divided by multiple of all primes up to N. As the result ...
分类:其他好文   时间:2016-05-13 14:08:23    阅读次数:119
<OJ_Sicily>Sum of Consecutive Primes
使用筛选法求解素数,使用遍历方法寻找解的个数...
分类:其他好文   时间:2016-05-12 14:52:28    阅读次数:140
LeetCode:Count Primes
Count Primes Total Accepted: 62416 Total Submissions: 255759 Difficulty: Easy Description: Count the number of prime numbers less than a non-negative number, n. Credits: Special tha...
分类:其他好文   时间:2016-05-07 09:49:41    阅读次数:150
HDOJ(HDU) 2161 Primes(素数打表)
Problem Description Write a program to read in a list of integers and determine whether or not each number is prime. A number, n, is prime if its only divisors are 1 and n. For this problem, the numbe...
分类:其他好文   时间:2016-05-06 15:09:21    阅读次数:218
Primes on Interval(二分 + 素数打表)
Primes on Interval Time Limit:1000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64u Submit Status Practice CodeForces 237C Primes on Interval Sub ...
分类:其他好文   时间:2016-04-27 22:11:23    阅读次数:207
leetcode 204. Count Primes(线性筛素数)
Description: Count the number of prime numbers less than a non-negative number, n. 题解:就是线性筛素数的模板题。 ...
分类:其他好文   时间:2016-04-25 06:46:53    阅读次数:177
[JAVA]翁恺老师零基础学java语言第五周素数例题中continue的困惑
第五周求前50个素数的例子中,continue跳出当次循环后的疑问例题中的这段:========================================MAIN_LOOP:for(intx=3;cnt<50;x++){for(inti=0;i<cnt;i++){if(x%primes[i]==0){continueMAIN_LOOP;}}}==============================================..
分类:编程语言   时间:2016-04-22 16:50:23    阅读次数:375
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