> while ((a = cin.get()) != '\n')
估计是换行的锅
by AC_CSP @ 2022-10-01 17:48:18
@[AC_CSP](/user/481527) 那应该怎么样呢，大佬？
by gzj20081004 @ 2022-10-02 10:46:31
@[gzj20081004](/user/448840)
字符串：我没用吗……（大声）
###### 用字符串就没事了
by dream_time @ 2022-10-22 20:56:11