Discussion @ 2020. Traffic Jam in Flower Town @ Timus Online Judge

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Discussion of Problem 2020. Traffic Jam in Flower Town

WA №3

Posted by George_Aloyan[PTS Obninsk][MIPT_FFKE] 21 Jul 2015 20:05

Any ideas?

http://ideone.com/ZFtToc

I don't see what can be wrong with it...

Re: WA №3

Posted by Nataraj 26 Apr 2016 18:37

I had exactly the same mistake at the beginning.
Check this case:
FFF
LLL
Answer should be 6 (not 5).

Hint: In your second check the counter 'j' could be advanced as the result of the first check
which is wrong...