As some of you may know, there is a competitive programming contest on the website [USACO](http://usaco.org) for pre-college students like me. The contest is running now but the website is not responding!↵
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When using Google Chrome to visit the website, it returns a 502 error. When using Mozilla Firefox, it returns a blank page. Did any of you encounter this problem? Can it be solved?↵
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Thanks.↵
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UPD: The USACO official website has announced this:↵
↵
<spoiler summary="Announcement">↵
The USACO website is currently down due to being hit by a massive denial of service attack. Please check back later. We appreciate your understanding during this challenging and frustrating situation. ↵
</spoiler>↵
↵
This is caused by a DoS Attack!!!
↵
When using Google Chrome to visit the website, it returns a 502 error. When using Mozilla Firefox, it returns a blank page. Did any of you encounter this problem? Can it be solved?↵
↵
Thanks.↵
↵
UPD: The USACO official website has announced this:↵
↵
<spoiler summary="Announcement">↵
The USACO website is currently down due to being hit by a massive denial of service attack. Please check back later. We appreciate your understanding during this challenging and frustrating situation. ↵
</spoiler>↵
↵
This is caused by a DoS Attack!!!
