[TJOI2007] 路标设置

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	BC20280220	44ms	816 KiB	C++14(O2)	546 Bytes	2025-10-2 15:48:11
AC	BC20280302	44ms	808 KiB	C++14(O2)	572 Bytes	2025-10-2 10:10:21
AC	CC20270038	51ms	896 KiB	C++98(O2)	513 Bytes	2025-10-2 14:50:04
AC	BC20280034	52ms	844 KiB	C++17(O2)	532 Bytes	2025-10-2 10:01:32
AC	BC20280008	52ms	816 KiB	C++17(O2)	674 Bytes	2025-10-2 11:08:32