@[feng_chengjie](/space/show?uid=36294) 问一下大佬，这题phi开int会WA是为什么啊
by M_sea @ 2018-08-02 08:20:07
肯能是用phi记了前缀和吧@[M_sea](/space/show?uid=38370)
by o_cean @ 2018-09-02 14:14:37
@[o_cean](/space/show?uid=58660) 已经知道了qwq
by M_sea @ 2018-09-02 14:29:06
@[o_cean](/space/show?uid=58660) 确实是爆int了qwq
by M_sea @ 2018-09-02 14:29:27