2015年四川省赛||弱校联萌十一大决战之强力热身 H. Range Query 二分图的最大匹配确定匹配顺序
来源:互联网
frog has a permutation \(p(1), p(2), \dots, p(n)\) of \(\{1, 2, \dots, n\}\). She also has \(m_1 + m_2\) records \((a_i, b_i, c_i)\) of the permutation.frog has a permutation \(p(1), p(2), \dots, p(n)\)