Playoff Restoration solution

 Playoff Restoration solution codeforces 2k2k teams participate in a playoff tournament. The tournament consists of 2k−12k−1 games. They are held as follows: first of all, the teams are split into pairs: team 11 plays against team 22, team 33 plays against team 44 (exactly in this order), and so on (so, 2k−12k−1 games are played in that phase). When a team loses…

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