@[cainiaoshanglu](/user/367387) 直译不是输出文件为空吗。
by Sprague_Garundy @ 2023-01-30 12:36:28
但是那不是WA吗……
by cainiaoshanglu @ 2023-01-30 12:42:30
@[cainiaoshanglu](/user/367387)
EOF听过吗
by CleanIce @ 2023-01-30 13:16:02
@[CleanIce](/user/821660)
你很懂啊？学过英语吗？
EOF end of file
by fast_photon @ 2023-01-30 13:53:10
@[fast_photon](/user/539724) 怎么又水谷
by esquigybcu @ 2023-01-30 14:10:09
据@[CleanIce](/user/821660) 和@[fast_photon](/user/539724) 的说法，可能是提前输出 `EOF`，或 `USACO` 要用普通输入输出。
by Nuclear_Pasta @ 2023-01-30 14:45:20
@[cainiaoshanglu](/user/367387)
by Nuclear_Pasta @ 2023-01-30 14:45:38