LeetCode每日一题(1904. The Number of Full Rounds You Have Played)
Youareparticipatinginanonlinechesstournament.Thereisachessroundthatstartsevery15minutes.Thefirstroundofthedaystartsat00:00,andafterevery15minutes,anewroundstarts.Forexample,thesecondroundstartsat00:15