#include#include #include using namespace std; const int N = 50010; int n; int x[N],y[N],a[N],b[N]; int main() { scanf("%d",&n); for(int i=0;i

#include#include #include using namespace std; const int N = 50010; int n; int x[N],y[N],a[N],b[N]; int main() { scanf("%d",&n); for(int i=0;i