Hotel Balifornia

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Byteland has always been popular among tourists. Seeing a business opportunity, Chef has built a brand new Hotel Balifornia there. The hotel has R unique comfortable rooms for guests' purpose. The rooms are numbered by integers from 0 to R-1, inclusive. All rooms in the hotel are on the same floor and arranged in a circle. Namely, - the room next to the room 0 is the room 1; - the room next to th

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solution.cppC++17

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