Codeforces Round #678 (Div. 2) Less than 24 hours after leaving the game, no announcement, no author list, will this be the most mysterious div2 ever?
Codeforces Round #678 (Div. 2)?
Codeforces Round #678 (Div. 2) Less than 24 hours after leaving the game, no announcement, no author list, will this be the most mysterious div2 ever?