Cod sursa(job #1915424)

Utilizator ionanghelinaIonut Anghelina ionanghelina Data 8 martie 2017 20:59:39
Problema Dtcsu Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 1.33 kb
#include<bits/stdc++.h>
#define cheie 666013
#define dim 1000000
using namespace std;
long long n,x,sol,q;
int poz=0;
char buff[dim+5];
vector<long long> h[cheie+5];
void read(long long &nr)
{
    nr=0LL;
    while(buff[poz]<'0' || buff[poz]>'9')
    {
        poz++;
        if(poz==dim)
        {
            poz=0;
            fread(buff,1,dim,stdin);
        }
    }
    while(buff[poz]>='0' && buff[poz]<='9')
    {
        nr=nr*10LL+1LL*(buff[poz]-'0');
        poz++;
        if(poz==dim)
        {
            poz=0;
            fread(buff,1,dim,stdin);
        }
    }
}
void Add(long long x)
{
    long long y=x%cheie;
    for(vector<long long>::iterator it=h[cheie].begin();it!=h[cheie].end();it++)
    {
        if(*it==x) return;
    }
    h[cheie].push_back(x);
}
bool Find(long long x)
{
    long long y=x%cheie;
    for(vector<long long>::iterator it=h[cheie].begin();it!=h[cheie].end();it++)
    {
        if(*it==x) return 1;
    }
    return 0;
}
int main()
{
    freopen("dtcsu.in","r",stdin);
    freopen("dtcsu.out","w",stdout);
    fread(buff,1,dim,stdin);
    for(int i=1;i<=276997;i++)
    {
        read(x);
        Add(x);
    }
    read(q);
    for(int i=1;i<=q;i++)
    {
        read(x);
        if(Find(x)) sol+=1LL;
    }
    printf("%lld\n",sol);
    return 0;
}