fter LeBron James won his 5^th championship ring,5^th MVP title, Defensive player of the year and NBA’sGOAT lifetime awardee, NBA decided to change the rules in theleague because of him. In the new NBA’s setting, 30 teams in NBAneed to play with each other only once. What is the minimum number of days can they all play without any team playing more than once game in any day?