James stop playing league

To do: https://dmoj.ca/problem/dmopc15c1p5 probably a 2d psa implementation followed by brute forcing all possible squares of max size?

https://dmoj.ca/problem/cerc2000h cancer oop

https://dmoj.ca/problem/dmopc15c1p6

https://dmoj.ca/problem/mockccc15j5

https://dmoj.ca/problem/tsoc16c2p4