제출 #189348

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

Case 1: A forest of 2 trees.

Case 1: There is one tree.

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

Case 1: No trees.
Case 2: There is one tree.

Case 1: No trees.
Case 2: No trees.

5 1
2 3
9 1
1 2
2 0
5 0
6 6
2 3
5 4
1 4
3 5
3 4
6 5
0 0

Case 1: A forest of 4 trees.
Case 2: A forest of 8 trees.
Case 3: A forest of 2 trees.
Case 4: A forest of 5 trees.
Case 5: There is one tree.

Case 1: A forest of 4 trees.
Case 2: A forest of 8 trees.
Case 3: A forest of 2 trees.
Case 4: A forest of 5 trees.
Case 5: No trees.