Discussion @ 1985. Prime Square @ Timus Online Judge

QProgS The primality of the table for n=5 is equal to 3 ? [4] // Problem 1985. Prime Square 20 Oct 2013 18:05

The primality of the table for n=5 is equal to 3 ?

QProgS Re: The primality of the table for n=5 is equal to 3 ? [3] // Problem 1985. Prime Square 20 Oct 2013 19:31

I understood)
for n=5 answer 4 )

Glitter Re: The primality of the table for n=5 is equal to 3 ? // Problem 1985. Prime Square 22 Oct 2013 07:42

I found

Edited by author 22.10.2013 07:58

Dusayarov Alisher Re: The primality of the table for n=5 is equal to 3 ? [1] // Problem 1985. Prime Square 3 Jan 2014 13:27

if n=5 then matrix view that:
1 20 19 18 17
2 21 22 15 16
3 24 23 14 13
4 25 8 9 12
5 6 7 10 11
???

13 14 17 18 19
12 15 16 21 20
11 10 9 22 23
2 1 8 7 24
3 4 5 6 25

Edited by author 16.02.2017 22:14

Discussion of Problem 1985. Prime Square