wrong output format Unexpected end of file — int32 expected; means what???

Revision en1, by Zeuszzz, 2023-10-22 09:47:01

Here is the solution link.

https://codeforces.me/contest/1625/submission/229144224

But suddenly Codeforces was giving "wrong output format Unexpected end of file — int32 expected (test case 4481)". I'm not familiar with this. Can anyone plz explain it ?I'm so sad about it.

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en1 English Zeuszzz 2023-10-22 09:47:01 354 Initial revision (published)