I got WA1 so I made some debug and discovered that test 1 has N = 136 (with lines like if (N == 136) while(1);
The problem with code was that I was using char instead of unsigned char :)

Check this test:
136 6
130 132
136 135
135 130
130 133
133 134
133 135

One good answer should be
1
3 130 133 135

Won't help

4 5
1 2
2 3
3 4
4 1
2 4

My wa #1:
3
4 1 2 3 4
3 2 1 4
3 4 3 2
Edited by author 16.03.2012 04:22

Edited by author 17.03.2012 02:34

Edited by author 17.03.2012 02:35