1688. Count of Matches in Tournament
You are given an integer
n, the number of teams in a tournament that has strange rules:
- If the current number of teams is even, each team gets paired with another team. A total of
n / 2matches are played, andn / 2teams advance to the next round.- If the current number of teams is odd, one team randomly advances in the tournament, and the rest gets paired. A total of
(n - 1) / 2matches are played, and(n - 1) / 2 + 1teams advance to the next round.Return the number of matches played in the tournament until a winner is decided.