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| #include <cstring>
#include <iostream>
using namespace std;
struct Point
{
int x, y;
Point(const int& _x = 0, const int& _y = 0): x(_x), y(_y) { }
};
int n, m, count[5002];
Point p, UpLeft, DownRight;
pair<int, int> l[5002];
inline int CrossProduct(const Point &A, const Point &B, const Point &C, const Point &D)
{
const int x1 = B.x-A.x, y1 = B.y-A.y;
const int x2 = D.x-C.x, y2 = D.y-C.y;
return x1*y2-y1*x2;
}
int main()
{
ios::sync_with_stdio(false);
while (cin >> n, n)
{
memset(count, 0, sizeof(count));
cin >> m >> UpLeft.x >> UpLeft.y >> DownRight.x >> DownRight.y;
for (int i = 0; i < n; ++i)
cin >> l[i].first >> l[i].second;
l[n].first = l[n].second = DownRight.x;
while (m--)
{
cin >> p.x >> p.y;
int lef = -1, rig = n+2;
while (rig-lef > 1)
{
int mid = (lef+rig)>>1;
Point p1(l[mid].first, UpLeft.y);
Point p2(l[mid].second, DownRight.y);
if (CrossProduct(p1, p2, p1, p) > 0)
lef = mid;
else
rig = mid;
}
++count[rig];
}
for (int i = 0; i <= n; ++i)
cout << i << ": " << count[i] << endl;
cout << endl;
}
}
|
