我把spfa换成dij就过了最后一个点了
by 龙神哈迪斯 @ 2018-10-27 14:51:15
NOI要卡spfa...$qwq$
by ztc_dot @ 2018-12-27 16:19:29
用堆优化的Dijk
by I_Am_Danny @ 2019-01-29 18:19:26