codeforces; solve "Drazil and Tiles" from Round #292 (Div. 2)
codeforces; solve "Drazil and Tiles" from Round #292 (Div. 2)

gshopov/competitive-programming-archive,gshopov/competitive-programming-archive,M4573R/competitive-programming-archive,gshopov/competitive-programming-archive,M4573R/competitive-programming-archive