Discussion @ 1466. Magic Square @ Timus Online Judge

Please add these tests.

Posted by Arthas 19 May 2009 07:14

3 5
1 4 5
7 3 8
2 4 4
7 5 3
7 7 0

3 5
2 5 1
5 3 4
3 8 8
8 6 0
6 6 1
I got tle on these tests.But I got AC.

Re: Please add these tests.

Posted by 👨🏻‍💻 Spatarel Dan Constantin 2 Aug 2019 18:42

My AC solution outputs "NO" on both of those test cases.

Re: Please add these tests.

Posted by Igor Parfenov 9 Jul 2026 19:16

Answer to second test is YES. And, moreover, there are 840 ways to fill the square.

Upd. Sorry, forgot about constraint a[0][0]=0. (But, if ignore it, 840 is correct number.)

Edited by author 09.07.2026 19:19

Discussion of Problem 1466. Magic Square