I used greed, is the result of the test data right ?

7
2 3 0
3 1 0
1 2 4 5 0
3 0
3 0
7 0
6 0


4
1 2 3 7

if the result is wrong , please give some hint.....  thanks

Your result is really wrong. Just take a look: the first and the second mates have no friends in the other team.

Edited by author 30.08.2008 15:39

Edited by author 30.08.2008 15:39

Edited by author 30.08.2008 15:39

it's a simple bfs problem.