Songs @ 2019-12-05 19:00:54
double Sn=Sn+1/n和这个double Sn=Sn+1.0/n完全不一样。花了我无数时间改代码啊!!/(ㄒoㄒ)/~~
by installb @ 2019-12-05 19:04:26
1/n默认是n的类型(整形)吧( 除出来是0
1/n
n