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Cod sursa(job #38625)
#include<string.h>
#include<fstream.h>
#define input "regiuni.in"
#define output "regiuni.out"
#define Nmax 1005
#define Mmax 1005
#define mod 666013
//using namespace std;
int main()
{
ifstream fin(input);
ofstream fout(output);
int i,j,k,s,ok,t;
long n,m,a[Mmax],b[Mmax],c[Mmax],dx[Nmax],dy[Nmax],h;
char sec[Mmax][Mmax];
fin>>n>>m;
k=0;
for(i=0;i<n;i++)
fin>>a[i]>>b[i]>>c[i];
for(i=0;i<m;i++)
fin>>dx[i]>>dy[i];
h=0;
for(i=0;i<m;i++,h++)
{
for(j=0;j<n;j++)
{
s=dx[i]*a[j]+dy[i]*b[j]+c[j];
if(a[j]*b[j]!=0)
{
if(s>0)
sec[h][j]='1';
else
sec[h][j]='0';
}
else
{
if(s<0)
sec[h][j]='1';
else
sec[h][j]='0';
}
}
ok=1;
for (t=0;t<h;t++)
{
if (!strcmp(sec[h],sec[t]))
{
ok=0;
h--;
break;
}
}
if (ok)
k++;
}
fout<<k<<"\n";
return 0;
}