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I just saw that the problem is on the UVa toolkit. I will check it.

I'm getting WA for this one.

I've tried the following cases and I get them all correct. any more cases?

1000
3
20 30 40 50 30 40
4
20 30 10 10 30 20 40 50
3
10 30 20 20 30 10
4
10 10 20 30 40 50 39 51
7
10 10 20 20 30 30 10 10 20 20 10 10 10 10
5
10 10 10 10 10 10 10 10 10 10
3
9 ...

Can someone help with providing additional test cases for this problem?

I'm getting WA

For the following input I get the following results

Can anyone provide more edge cases or describe some?

I created these and got them right, I think

Input
4
5 100
a x 10 6
b z 20 5
c z 30 11
a y 30 4
a r 10 3
3 100
a x 10 6
b z 20 5
c z 30 11
5 100
a x 5 4
a y 55 3
a z 35 6
a s 67 5
a r 99 7
5 100
a x 100 3
a y 50 6
b y 50 4
b z 100 5
b r 40 9 ...

Solved it finally!!

I was failing on this case!

BGWWWWWGBBBBGGG
Answer = 8

I get the same answers!!!!!

Thanks though

I keep getting WA for this problem. I'm transforming the string into a matrix (spiral) and then comparing checking if each column has only one color.

I tried these cases myself

Sample Input
7
BGWBBGGGBBWGBBGWBB
GBBWBBWBBB
BBBBBBBBBBBBBBB ...