题目地址:http://acm.fafu.edu.cn/problem.php?id=1011 Description: The problem is very simple,your job is just to calculate the sum of primes from the first ...
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其他好文 时间:
2016-08-01 22:55:45
阅读次数:
347
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5104 rimes Problem Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Tota ...
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其他好文 时间:
2016-07-14 08:32:37
阅读次数:
177
D. Dima and Lisa D. Dima and Lisa Dima loves representing an odd number as the sum of multiple primes, and Lisa loves it when there are at most three ...
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其他好文 时间:
2016-07-12 21:29:38
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193
Primes Problem Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2841 Accepted Submission(s): 1276 ...
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其他好文 时间:
2016-07-11 18:48:09
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211
Problem: https://leetcode.com/problems/count-primes/ Count the number of prime numbers less than a non-negative number, n. Thought: SieveofEratosthene ...
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其他好文 时间:
2016-07-09 17:48:54
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136
Sieve of Eratosthenes (素数筛选算法) Given a number n, print all primes smaller than or equal to n. It is also given that n is a small number. For example, ...
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编程语言 时间:
2016-07-06 00:06:40
阅读次数:
308
LeetCode 第 204 题 (Count Primes)
Description:
Count the number of prime numbers less than a non-negative number, n.
计算小于 N 的素数的个数。这道题目比较简单。但是想提高计算效率与需要费点脑筋。判断一个数字 nn 是不是素数的简单方法是 用 nn 去除 2,3,4,…,n?1...
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其他好文 时间:
2016-07-03 19:45:17
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212
题目概述: Description: Count the number of prime numbers less than a non-negative number, n. Credits:Special thanks to @mithmatt for adding this problem a ...
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其他好文 时间:
2016-06-19 06:46:44
阅读次数:
195