可以用`while(cin>>n)`
by AsunderSquall @ 2020-10-27 17:01:05
hdu是出名的阴间。。。
by shenmadongdong @ 2020-10-27 17:06:02
@[shenmadongdong](/user/71491) 艹HDU
by ducati @ 2020-10-28 14:24:29