摘要：
```cpp include include include include include include using namespace std; const int N = (int)1e6 + 5; int n, m; struct Q{ int type, id; long long va 阅读全文
摘要：
如果相交返回true，不相交返回false cpp bool check(Node a, Node b, Node c, Node d){ if(!(min(a.x,b.x) 阅读全文