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

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Discussion of Problem 2020. Traffic Jam in Flower Town

Jumabek Alikhanov WA TEST #6. [1] // Problem 2020. Traffic Jam in Flower Town 25 Mar 2015 13:26

Can anyone give me some clue please?

George_Aloyan[PTS_Obninsk][MIPT_DPQE][MIPT_PSEPMS][IPG] Re: WA TEST #6. // Problem 2020. Traffic Jam in Flower Town 18 Mar 2019 12:32

Try this test:

LFR
FLR

Ans should be 4, not 5