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Discussion of Problem 1877. Bicycle Codes

I can't understand this problem mean
Posted by Nguyen Trung Hieu 6 Apr 2013 13:29
I can't understand this problem mean, someone can explain it for me? Why first test and second test have this result?
Re: I can't understand this problem mean
Posted by Tester_from_Vologda 3 May 2013 22:51
Test 1:
Den's keys: 0001
            0000

           1st night   2nd night   3rd night  4th night  ... ... ...    All nights

bike's key 0001        0000        0001       0000                      -

bad man    0000        0001        0003       0004                      -

result     no          no          no         no                        no

Test 2:
Den's keys: 0002
            0001

           1st night   2nd night   3rd night  4th night  ... ... ...    All nights

bike's key 0002        0001        0002       0001                      -

bad man    0000        0001        0003       0004                      -

result     no          yes         no         no                        yes

In the first test all nights result is "no". That why in the first test result is no.
Re: I can't understand this problem mean
Posted by namlunoy 17 May 2013 23:53
Thank you so much! :D
Re: I can't understand this problem mean
Posted by Yasaman 6 Aug 2014 20:39
Very Clear answer ! thank you :)
Re: I can't understand this problem mean
Posted by mohamad 16 Jan 2015 22:14
perfect but in line "bad man" , he checks 0002 betwen "0001" and "0003"
Re: I can't understand this problem mean
Posted by homealone1 27 Mar 2015 10:50
Thanks so much
Re: I can't understand this problem mean
Posted by Ealham Al Musabbir 27 Apr 2015 00:33
Thank u ...
:)
Re: I can't understand this problem mean
Posted by competitivecoder 1 Jun 2015 15:40
Thank U!!!