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Обсуждение задачи 1003. Чётность

WA #1 and i couldn't find the mistake! Help, please!
Послано KD 18 апр 2007 00:12
Вобщем безнадега какая-то

Edited by author 25.04.2007 01:26
Re: WA #1 and i couldn't find the mistake! Help, please!
Послано strcpy 23 сен 2007 15:28
не говори!
Some tests :)
Послано pperm 4 окт 2007 22:15
100
5
5 6 odd
7 8 odd
1 6 even
1 4 odd
7 8 even
3
3
1 1 odd
3 3 odd
1 3 odd
5
4
1 2 even
4 5 even
1 5 odd
3 3 even
10
5
1 2 even
3 4 odd
5 6 even
1 6 even
7 10 odd
20
8
1 9 odd
10 17 odd
18 26 odd
4 5 odd
27 40 even
21 40 odd
1 20 odd
10 20 odd
200
8
1 9 odd
10 17 odd
18 26 odd
4 5 odd
27 40 even
21 40 odd
1 20 odd
10 20 odd
-1

Output:
4
3
3
3
2
6
Re: Some tests :)
Послано Nikolay Ulyanov [Moscow SU] 11 авг 2008 00:40
thanks for tests
i want to know the procedure to submit the problem
Послано waqas ali 12 авг 2008 03:09
i have read all the procedure. but i could not get which file shoul i have to submit for solution plz help me. i will be very thankful to you.
Re: Some tests :)
Послано Iek.Chan 17 окт 2008 13:52
this sample is Wrong!!

the right output is:
4
3
3
3
6
6

It used me 3 hours time to debug it..!
Final..I find ,,this sample is wrong!!
Re: Some tests :)
Послано lql1993 23 окт 2008 15:28
Could you please tell me how to get the datas?

Edited by author 23.10.2008 15:28

Edited by author 23.10.2008 15:28
Re: Some tests :)
Послано Mattias 2 фев 2009 03:28
The original output for the test sequence (as posted by pperm) is correct. The last two tests are identical except for the lenght of the 0/1 sequence, which the third question in the 5th test violates, thus giving 2 as the correct answer. I don't know if this is an issue tested by The Judge though ^^
Re: Some tests :)
Послано Akaishuichi 3 май 2009 20:53
100
5
5 6 odd
7 8 odd
1 6 even
1 4 odd
7 8 even

for the above input I don't understand why the output should be 4. if 5 6 is odd and 1 6 is even, 1 4 is even, isn't it?
Re: Some tests :)
Послано chinagdjdlyd 6 окт 2009 13:36
There is nobody wrong ...
Because the problem in "18 26 odd" at the fifth test is that 26>20(the length of the sequence) ...
But the description of the problem doesn't say anything about this situation , and also there no data like this ...
So I doubt that we can use the length of the sequence to do what -_-!!!
Iek.Chan писал(a) 17 октября 2008 13:52
this sample is Wrong!!

the right output is:
4
3
3
3
6
6

It used me 3 hours time to debug it..!
Final..I find ,,this sample is wrong!!
Re: Some tests :)
No, 1 4 must be odd, because 1 4 + 5 6 = 1 6 or in other words odd + odd = even :)
Re: Some tests :)
you are Wrong!!

the right output is:
4
3
3
3
2
6
Re: Some tests :)
Послано Butusov Eugene 24 июн 2012 02:56
correct answer for the test
3
3
1 1 odd
3 3 odd
1 3 odd

is 0, because interval with zero length contains 0 (even) ones :)
Re: Some tests :)
Послано Duwe 3 авг 2012 08:46
thanks for tests
Re: Some tests :)
Послано 100919CN 19 ноя 2012 22:22
thanks for tests
Re: WA #1 and i couldn't find the mistake! Help, please!
Послано Nataraj 11 апр 2014 16:41
Yes, it is just something strange.
My program passes all the mentioned tests perfectly.
I took in the accounts every remarks mentioned in this forum and still I get WA1.
Re: WA #1 and i couldn't find the mistake! Help, please!
Послано Altoids 10 авг 2014 07:29
I'm in the same boat. all tests listed here are passing. but still got the WA1. anyone knows how can i get hold of the tests OJ is using? or at least get the feedbacks on the specific failing test case?
Re: WA #1 and i couldn't find the mistake! Help, please!
Послано Mr.Paulter 29 ноя 2015 19:27
Altoids, maybe we should try this test (answer -> 4):
12
6
1 2 even
1 1 even
3 4 odd
5 6 even
1 6 even
7 10 odd
-1
Re: Some tests :)
Послано Igor Belousov 10 дек 2016 11:49
Butusov Eugene писал(a) 24 июня 2012 02:56
correct answer for the test
3
3
1 1 odd
3 3 odd
1 3 odd

is 0, because interval with zero length contains 0 (even) ones :)
This is not correct. The range from 1 to 1 includes one digit at position 1.
Re: Some tests :)
Послано Abid29 19 май 2020 19:37
thnx its helpfull.i got ac.