1013. Pairs of Songs With Total Durations Divisible by 60
题目描述:Inalistofsongs,thei-thsonghasadurationoftime[i]seconds.Returnthenumberofpairsofsongsforwhichtheirtotaldurationinsecondsisdivisibleby60.Formally,wewantthenumberofindicesiint:'''求所有和能整除60的数,因为能整除60