矩阵行走染色问题

Status	Submit By	Time	Memory	Language	Code	Submit At
AC	李冠增 (GK66)	29ms	796 KiB	C++14(O2)	956 Bytes	2025-12-3 20:47:04
AC	薇尔莉特 (admin)	29ms	6.3 MiB	C++14(O2)	951 Bytes	2025-4-2 11:30:20
AC	应鼎浩	29ms	6.6 MiB	C++14(O2)	720 Bytes	2025-10-12 17:16:28
AC	黄逸宸	29ms	6.5 MiB	C++14(O2)	956 Bytes	2025-8-26 10:03:03
AC	凌畅	29ms	6.7 MiB	C++14(O2)	845 Bytes	2025-7-27 9:53:23
AC	王昊	29ms	760 KiB	C++14(O2)	986 Bytes	2025-12-17 16:24:15
AC	熊猫 (pander)	30ms	6.3 MiB	C++14(O2)	600 Bytes	2025-11-1 1:31:16
AC	陈昱宸	31ms	760 KiB	C++14(O2)	946 Bytes	2026-1-2 15:23:15
AC	卢禹帆	31ms	6.6 MiB	C++14(O2)	1 KiB	2025-10-25 11:27:25
AC	郑翰1	31ms	636 KiB	C++14(O2)	758 Bytes	2026-4-18 14:03:43
AC	邵奕歌	32ms	6.6 MiB	C++14(O2)	646 Bytes	2025-6-21 9:21:47
AC	陈珦宸	32ms	6.6 MiB	C++14(O2)	608 Bytes	2025-8-19 9:43:41
AC	邹弢	32ms	972 KiB	C++14(O2)	1015 Bytes	2026-2-15 11:04:45
AC	杨晨 (YC112)	32ms	6.6 MiB	C++14(O2)	769 Bytes	2025-6-25 16:14:10
AC	王韦策 (CSP13)	35ms	6.4 MiB	C++14(O2)	754 Bytes	2025-5-27 21:04:53