From Bayview S.S.
n i c e
https://dmoj.ca/problem/ccc20s2 https://dmoj.ca/problem/ccc20s3 https://dmoj.ca/problem/ccc20s4 https://dmoj.ca/problem/ccc18s4 https://dmoj.ca/problem/ccc18j5 https://dmoj.ca/problem/ccc15j5 https://dmoj.ca/problem/ccc19s3
