快读挂了，死因：
`while (!isdigit(s = getchar())) w = -1;`
应该改为
`while (!isdigit(s = getchar())) if(s == '-')w = -1`
by NaHCO3_tht @ 2023-10-27 10:06:04
@[NaHCO3_tht](/user/473188) 啊啊啊， 打漏字了mei看出来， 谢谢谢谢谢谢
by MagicLyney_06 @ 2023-10-27 10:45:17