#3568. 2024-T2-Walking Along a Fence-[bronze]
2024-T2-Walking Along a Fence-[bronze]
input:
5 4
0 0
2 0
2 2
0 2
0 0 0 2
0 2 1 0
2 1 0 2
1 0 1 2
1 2 1 0
output:
2
3
3
4
4
input:
5 4
0 0
2 0
2 2
0 2
0 0 0 2
0 2 1 0
2 1 0 2
1 0 1 2
1 2 1 0
output:
2
3
3
4
4