codeforces; solve "Exams" from Round #274 (Div. 2)
codeforces; solve "Exams" from Round #274 (Div. 2)

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