Muhammad2006's blog

wrong output format Unexpected end of file — int32 expected (test case 4481) means what???
By Muhammad2006, history, 20 months ago, In English

Here is the solution link.

https://mirror.codeforces.com/contest/1798/submission/201240362

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 ??

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20 months ago, # |
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It means exactly what is says:

  • Unexpected end of file — the output file ended before it should've, i.e. you printed too few tokens.
  • int32 expected — the next token of the output should've been an integer instead of the output ending.

This is one test case where your code fails:

Input:
1
3
2
1 2
2
1 2
2
1 2

Excpected Output:
-1

Your Output:

Your code outputs nothing for the above test case. Can you see why this happens? I can help you more if you can't find the cause of this.

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    20 months ago, # ^ |
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    Thanks a lot. I've got my mistake.

    I wrote "return 0" in the loop instead of "break".

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