Cod sursa(job #2006896)

Utilizator IsacLucianIsac Lucian IsacLucian Data 1 august 2017 11:24:32
Problema Regiuni Scor 100
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.11 kb
#include <bits/stdc++.h>
#define P 777013
#define Q 123457

using namespace std;

ifstream fin("regiuni.in");
ofstream fout("regiuni.out");

struct Pereche
{
    int v,t;
};
Pereche V[1001];

struct Dreapta
{
    int a,b,c;
};
Dreapta d[1001];
int n,m;

int Semn(int p,int x,int y)
{
    if(d[p].a*x+d[p].b*y+d[p].c>0)return 1;
    return 2;
}

void Citire()
{
    int i,x,y,cod,j,cod2,s;
    fin>>n>>m;
    for(i=1;i<=n;i++)
        fin>>d[i].a>>d[i].b>>d[i].c;

    for(i=1;i<=m;i++)
    {
        fin>>x>>y;
        cod2=cod=0;
        for(j=1;j<=n;j++)
        {
            s=Semn(j,x,y);
            cod=(cod*10+s)%P;
            cod2=(cod2*10+s)%Q;
        }
        V[i].v=cod;
        V[i].t=cod2;
    }
}

inline bool Compara(const Pereche A,const Pereche B)
{
    if(A.v==B.v)return A.t<B.t;
    return A.v<B.v;
}

void Rezolvare()
{
    int i,cnt;
    sort(V+1,V+m+1,Compara);
    cnt=1;
    for(i=2;i<=m;i++)
        if(!(V[i].v==V[i-1].v && V[i].t==V[i-1].t))cnt++;

    fout<<cnt<<"\n";
}

int main()
{
    Citire();
    Rezolvare();
    return 0;
}