tags: Calculate geometry
#include<bits/stdc++.h>
#define ll long long
#define x first
#define y second
using namespace std;
typedef pair<ll,ll> pll;
const int N=5010;
int n,m;
pll a[N],b[N];
int ans[N];
ll cross(ll x1,ll y1,ll x2,ll y2){
return x1*y2-x2*y1;
}
ll area(pll a,pll b,pll c){
return cross(b.x-a.x,b.y-a.y,c.x-a.x,c.y-a.y);
}
int find(ll x,ll y){
int l=0,r=n;
while(l<r){
int mid=l+r>>1;
if(area(b[mid],a[mid],{x,y})>0) r=mid;
else l=mid+1;
}
return l;
}
int main(){
bool f=true;
while(scanf("%d",&n),n){
ll x1,y1,x2,y2;
scanf("%d%lld%lld%lld%lld",&m,&x1,&y1,&x2,&y2);
for(int i=0;i<n;i++){
ll u,l;scanf("%lld%lld",&u,&l);
a[i]={u,y1},b[i]={l,y2};
}
a[n]={x2,y1},b[n]={x2,y2};
if(f) f=false;
else puts("");
memset(ans,0,sizeof ans);
while(m--){
ll x,y;scanf("%lld%lld",&x,&y);
ans[find(x,y)]++;
}
for(int i=0;i<=n;i++){
printf("%d: %d\n",i,ans[i]);
}
}
return 0;
}
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