Leetcode: Count Primes

On June 22, 2015

Problem statement:

Count the number of prime numbers less than a non-negative number, n

Hint: The number n could be in the order of 100,000 to 5,000,000.

Read the article to talk about how to improve skills as a programmer, one comment I like most:

http://blog.csdn.net/gsky1986/article/details/46556933

"那你应该可以一眼就看出满世界的博客的算法文章中的纰漏和层次，那你还是有点功力了", 我现在还没有功底, 专心在Leetcode, 专心用C# 语言; 提高提高自己写C#代码水平.

Share the C# code in github:

https://github.com/jianminchen/count-primes/blob/master/Program.cs