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I have passed validation for the problem but had a lot of issues during validation. I suppose it does not work as expected.
For cases:
2 2 2 2 4 4 4 5 5
2 2 2 2 2 2 3 4 4
Using my code I got result that is equal to "1" for both cases when validator had "0" value in its mind.
I mean that on site (server side) validation is wrong
Oleksi, Hi!
Sorry for delayed response.
I believe you are right about assess of these two positions, but it is strange that you may got wrong answer from validator
for them - I checked the checker and it also should give 1 for the first position and as about the second - it looks
like never should appear in input data at all. Perhaps there was some glitch or confusion with copying data or something
like this?
Hi Rodion,
let me clarify little bit more. Previous two cases were real but I have sorted numbers in sequences for convenience.
This time I will put extract of exact lines for group of some sub-cases that were in disagreement with my proposed solution.
7
4 4 2 2 2 4 3 6 2 2 2 2 2 2 2 4
2 4 2 2 3 6 2 3 4 2 4 2 2
6 2 2 2 3 2 5 5 2 2
3 3 3 3 2 2 2 3 2 2 2 4 2 6 2
3 3 2 3 3 2 5 3 2 5 5 3 3
3 6 3 3 3 3 2 3 2 3 3 3 3
2 3 4 2 4 5 2 4 6 4 2 2
From my solution I got:
1 1 1 0 0 0 0
But checker expected 0 0 0 1 1 1 1 instead for these lines. (Other values matched expected ones)
If you need more info, those lines were from 3 real cases supplied by the site (I've marked them with X):
[case #1]
15
2 2 5 2 5 2 2 2 3 2 2 2 3 2 2 2 2
X 4 4 2 2 2 4 3 6 2 2 2 2 2 2 2 4
3 3 3 3 3 2 2 5 3 5
4 2 2 4 4 2 2 2 5 4 4 5 4
2 6 2 3 2 3 4 2
5 5 2 5 3 5 5 2 5 3
2 2 2 5 2 2 5 5 5 5
5 3 2 5 5 3 2 5
2 5 5 3 3 5 5 2 5 5
2 4 4 4 2
4 2 4 3 2 4 2
3 2 3 5 5 5 5 2
2 3 3 5 5 3 2 3 3
5 4 2 3 2 2 5 2 3 2 2 4
3 4 3 3 3 3 3 5 5 5 5 4
[case #2]
16
3 5 2 3 2 5 3 3 3 3
3 2 2 3 2 3 2 2 5 2 2 2 4
X 3 3 3 3 2 2 2 3 2 2 2 4 2 6 2
5 4 3 5 4 3
2 2 2 3 5 5 3 2 3 4 3 4 3
4 5 3 4 4 4 5 4 4 4 3 3
4 4 3 4 4 3 4 4 5 5 4 4
3 2 3 2 2 2 2 3 4 4 3 2 2 2 2 2
4 4 4 2 2
2 4 2 4 4 2 4 2 4 4 5 2
X 2 4 2 2 3 6 2 3 4 2 4 2 2
3 3 5 3 3 3 3 5
3 2 5 3 5 5 5 2 5 5
3 2 2 4 3 2 4 2 3 2 2 3 2
3 3 4 5 5 3 4 5 3 3 3 2 2
4 4 2 2 2 2 2 5 4 4
[case #3]
15
4 2 4 4 4 5 4 4 2 4 2 3 5
X 3 3 2 3 3 2 5 3 2 5 5 3 3
X 3 6 3 3 3 3 2 3 2 3 3 3 3
5 4 3 4 5 3 2 5 4 5 5 3 3
2 2 2 5 5 3 2 2 3 3 2 2 2 2 2 2
2 2 2 2 2 2 3 2 2 5 2 2 5 2 3 2 2
4 3 3 5 3 2 5 3 3 3 4 2 5
3 3 3 4 5 5 3 3 2
4 2 2 4 4 2 2 4 5 2
3 4 3 3 4 3
X 6 2 2 2 3 2 5 5 2 2
X 2 3 4 2 4 5 2 4 6 4 2 2
3 2 4 4 2 3 4 3 2 2 2
2 3 5 2 2 2 2 2 5 2 5 4 2
3 2 3 2 3 3 2 2 2 3 2 2 2 2 2 3