May the new system be wrong?

The forum to report every bug you find or tell us what you'd like to find in UVa OJ's new system

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subzero
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May the new system be wrong?

Post by subzero » Fri Sep 07, 2007 7:46 pm

I submited a code, in the old system I got AC and now with the new system I got WA...

may this be possible?

thanx
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Bappi_cuet
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Post by Bappi_cuet » Fri Sep 07, 2007 11:43 pm

it can be possile.
cause new system may be change a lot in critical judge data, time limit.

You can read the new system problem statement and compair with your code also put all sample judge data found in this board.
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Moha
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Post by Moha » Sat Sep 08, 2007 4:24 pm

I had a similar problem. For problem 10014, which I got PE and the new judging policy considers it as a Not-Solved, I tried to resubmit it, It was written in Ansi-C and I got RE, after changing the compiler to C++ I got AC. It was weird.

I don't know why this happened? This code just uses a very simple fixed size array.

Moha
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Post by Moha » Wed Sep 12, 2007 6:44 pm

I had already got PE in the 10894. But after resubmitting to the new Judge System I got WA. I don't think it is due to Compiler because the code has just some simple fors. How could a compiler change the behavior of some fores? I think there is a serious problem somewhere in this new system.

I don't think they have changed all of the testcases for all the problems. May be there is some problems in their comparison for deciding between AC or PE.

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Carlos
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Post by Carlos » Thu Sep 13, 2007 3:23 pm

the compiler can change the behaviour of anything.

About PE -> WA...the algorithm of jufging PE's is different. Anyway, PE is equivalent as WA so that's not too much change...
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