The great triumph of Petr Mitrichev!
Congratulations Petr to the first place on Codeforces!
Remind, in result Codeforces Round #363 (Div. 1) Petr became the best on CF, solved all of problems.
Colin X Sam X Shayan | Easy Problems Duel | NAC Warmup #1
Codeforces Round 946 Solution Discussion