// 什么压行狂魔( class Solution { public: using pii = pair<int,int>; vector<int> ed[100010]; int d[100010],ans=0; int Travel(int N, int V, vector<int>& A, vector<Point>& list) { for(auto [x,y]:list) ed[x].push_back(y),d[y]++; auto cmp = [&am...