Обсуждение @ 1789. В поисках Додекаэдра @ Timus Online Judge

Tigran Hakobyan It is very easy problem!!! [4] // Задача 1789. В поисках Додекаэдра 23 окт 2010 21:53

Just print:
1)2*n-1
2)1 2 ... n
3)n n-1 ... 2

FiRSt Re: It is very easy problem!!! [3] // Задача 1789. В поисках Додекаэдра 10 янв 2012 23:10

It's work, but why? example
4
1 2 3 4 4 3 2
original 4->3->2->1->2->3->4
They don't meet

Mikhail Svyatlovskiy Re: It is very easy problem!!! [2] // Задача 1789. В поисках Додекаэдра 4 фев 2012 04:33

They meet at the 6th point(3 = 3).

Matjaz Leonardis Re: It is very easy problem!!! [1] // Задача 1789. В поисках Додекаэдра 10 сен 2015 16:22

Why do you need to print that 1 at the beginning?

Nikolay Makarov Re: It is very easy problem!!! // Задача 1789. В поисках Додекаэдра 10 окт 2015 20:45

You don't need it. 2 3 4 4 3 2 also works fine. But 3 2 1 3 2 (or 2 3 4 2 3) is shorter.

Обсуждение задачи 1789. В поисках Додекаэдра