Error: Not Such Problems

[Md. Mahbub Alam]

When I try to add problem, after giving the problem number, OJ reply not such problems? why error?

Also when today I try to edit my contest? OJ shows not such problems to my previously added problem. But just Yesterday I add those problems. Can you please reply?

[Isun]

It's because Virtual Judge tried to re-crawl the problem (to update problem information and confirm the remote OJ is still supporting this problem), but re-crawling failed due to reasons like network issue or remote OJ updates. Hence, Virtual Judge no long supports this problem until re-crawl succeeds next time.

As we notice, Virtual Judge is encountering issues with UVa and some remote OJs. Quite sorry for that and perhaps can you use problems from other OJs?

在 2014年8月29日星期五UTC+8下午2时14分37秒，Md. Mahbub Alam写道：

[Md. Mahbub Alam]

but its make my contest fail. Yesterday I add a contest but when contest start 4 out of 6 problem shows Judging error.

can you please help me?

http://vjudge.net/vjudge/contest/view.action?cid=55096#overview

Best Regards,

Md. Mahbub Alam

Assistant Professor, Department of Computer Science & Engineering(CSE)

Dhaka University of Engineering & Technology(DUET), Gazipur-1700, Bangladesh

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[Isun]

To be frank, I've lost access to the server for more than one week, which caused the problem not fixed for these days.

I'm contacting with the server manager proactively, but can only express my apologies for the inconvenience until I regain the access. 

在 2014年8月29日星期五UTC+8下午10时22分12秒，Md. Mahbub Alam写道：