if you have wa13, try test

4
4 4 4 3

answer is 2

why not 1? or 3?

4 4 4 3
4 1 2 3

1st and 4th positions are equal in both sequences.

I tried this test,it works.But I have wa13!
When I test
3
1 1 1
answer is 1.

Edited by author 17.12.2010 22:15