mod 7 counter

Design a hit counter which counts the number of hits received in the past 5minutes. Each function accepts a timestamp parameter (in seconds granularity) and your may assume that calls is being made to the S Ystem in chronological order (ie, the

On a reference to the original code, anti-code and complement (see http://www.linuxidc.com/Linux/2015-02/113862.htm), but he also smoothed a half-day, a little understanding of the appearance, but can not be clearly expressed. Now remember the

This article explains the computer's original code, anti-code and complement. And in-depth exploration of why the use of anti-code and complement, as well as further proof of why you can use the inverse code, complementary addition to calculate the

Originally large test 90+ composition principle, separated too long time did not use, the concept is slowly blurred, because the basic knowledge of the recent exam may be used, so, find some information on the Internet, organized into this article,

This article explains the computer's original code, anti-code and complement. And in-depth exploration of why the use of anti-code and complement, as well as further proof of why you can use the inverse code, complementary addition to calculate the

Transferred from: http://www.cnblogs.com/zhangziqiu/This article explains the computer's original code, anti-code and complement. And in-depth exploration of why the use of anti-code and complement, as well as further proof of why you can use the

The previous period of time to carefully study the original code, anti-code, the complement of knowledge, and met today, did not think and forget, hey, good memory as bad writing ~.Later found a special introduction to this aspect of the article,

This article explains the computer's original code, anti-code and complement. And in-depth exploration of why the use of anti-code and complement, as well as further proof of why you can use the inverse code, complementary addition to calculate the

This article explains the computer's original code, anti-code and complement. And in-depth exploration of why the use of anti-code and complement, as well as further proof of why you can use the inverse code, complementary addition to calculate the

Click to read the originalZhang ZixiuSource: http://www.cnblogs.com/zhangziqiu/This article is copyright to the author and the blog Park, Welcome to reprint, but without the consent of the author must retain this paragraph, and in the article page