Cod sursa(job #50198)

Utilizator megabyteBarsan Paul megabyte Data 6 aprilie 2007 23:07:05
Problema Regiuni Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.99 kb
#include <cstdio>
#define INF "regiuni.in"
#define OUF "regiuni.out"
#define NMAX 1001
using namespace std;
/*struct trie
{
	int id,t;
};*/
int main()
{
	FILE *in,*out;
	in=fopen(INF,"r");
	out=fopen(OUF,"w");
	register int i,j,k,n,m;
	int a[NMAX],b[NMAX],c[NMAX],xx[NMAX],yy[NMAX];
	int st[2048]={0};
        int tre[NMAX];
		
	fscanf(in,"%d %d",&n,&m);
		
//	for(i=1;i<=n;i++) printf("%d",mask[i]);
	for(i=1;i<=n;i++)
	      	fscanf(in,"%d %d %d",a+i,b+i,c+i);
	for(i=1;i<=m;i++) 
	{
		fscanf(in,"%d %d",xx+i,yy+i);
		tre[i]=1;
	}
	
	for(i=1;i<=n;i++)
	{

		k=0;//printf("%d \n",i);
		for(j=1;j<=m;j++)
		{
		  if((xx[j]*a[i]+yy[j]*b[i]+c[i])>0) 
			  tre[j]=2*tre[j]+1;
		   else tre[j]=2*tre[j];
		  if(!st[tre[j]]) 
		  {
			  k++;
			  st[tre[j]]=k;
		  }
		}
		for(j=1;j<=m;j++) tre[j]=st[tre[j]]; 
		//printf("   k: %d\n",k);
		for(j=1;j<2048;j++) st[j]=0;
	}
        k=0;
	for(j=1;j<=m;j++) st[tre[j]]=1;
	for(j=1;j<2048;j++) if(st[j]) k++;
	fprintf(out,"%d\n",k);
	fclose(in);fclose(out);
	return 0;
}