Cod sursa(job #2246646)

Utilizator ionut.birisBiris Ionut ionut.biris Data 27 septembrie 2018 12:01:01
Problema Ciurul lui Eratosthenes Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.43 kb
#include <iostream>
#include <fstream>

using namespace std;

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

int main()
{
    bool eprim[2000005];
    long long i,j,n;


    fin>>n;

    for(i=2;i<=n;i++)
        eprim[i]=1;

    for(i=2;i<=n;i++)
        if(eprim[i])
            for(j=i+i;j<=n;j+=i)
                eprim[j]=0;

    for(i=2;i<=n;i++)
        fout<<eprim[i]<<" ";



    return 0;
}