import sys def get_jiaoji(q_1, q_2): j_ = [] if(q_1[1] >= q_2[0] and q_1[0] <= q_2[0] ): j_ = [q_2[0], min(q_1[1], q_2[1])] elif(q_2[1] >= q_1[0] and q_2[0] <= q_1[0]): j_ = [q_1[0], min(q_2[1], q_1[1])] else: j_ = [-10E-9, -10E-9] return j_ for line in sys.stdin: a = line.split() qujian...