@[wycero](/space/show?uid=72665) 正常,分治的时候小于等于1000直接暴力+16倍wys可以过
by chenkuowen01 @ 2019-05-24 09:19:05
@[chenkuowen01](/space/show?uid=115133) ?
by ferrum_cccp @ 2019-05-24 10:23:24