摘要：
已知child parenta ba cd bd cb eb fc gc hx gx hm xm no xo n则c 2+c+g 2+c+h 1+a+c 1+d+ch 1+c+h 1+x+hd 2+d+b 2+d+cb 1+a+b 1+d+b 2+b+e 2+b+fo 2+o+x 2+o+n e 1+b+em 2+m+x 2+m+nx 2+x+g 2+x+h 1+m+x 1+o+xa 2+a+c 2+a+b也即gc[0] = a gc[1]=dgp[0] = g gp[1] = h gc[0] = a gc[1]=dgp[0] = e gp[1] = f gc[0] = m g... 阅读全文
