Обсуждение @ 1024. Перестановки @ Timus Online Judge

What is mean P2(n) = P(P(n)) mean? My math is really good. But I can't understand it.

Послано T_be_GP 18 авг 2010 19:51

Re: What is mean P2(n) = P(P(n)) mean? My math is really good. But I can't understand it.

Послано tiancaihb 18 авг 2010 19:56

The number just mean the quantity of P() in total. P4(n)=P(P(P(P(n)))). Some time in math we write this '2' in the bottom-left corner, but that doesn't make much difference.

Re: What is mean P2(n) = P(P(n)) mean? My math is really good. But I can't understand it.

Послано T_be_GP 18 авг 2010 19:58

haaaaaaaaaaaaaaaaaaaa.........................

Realyy very thanks buddy.

Re: What is mean P2(n) = P(P(n)) mean? My math is really good. But I can't understand it.

Послано tiancaihb 19 авг 2010 06:09

I made a mistake. It should be bottom-right corner

Обсуждение задачи 1024. Перестановки