@[NaCly_Fish](/user/115864) @[xht37](/user/100544)
by FZzzz @ 2019-12-13 23:28:03
@[chen_zhe](/user/8457) @[zhouwc](/user/20218) @[mrsrz](/user/6813)
by qbu666666 @ 2019-12-13 23:43:48
@[function_of_zero](/user/174045) added
by mrsrz @ 2019-12-14 00:02:34
这随机函数名是为了不让选手程序调用交互库吗……
by Imakf @ 2019-12-14 00:08:58