Cod sursa(job #1028658)

Utilizator bogdan9832Bogdan Constantin bogdan9832 Data 14 noiembrie 2013 15:32:16
Problema Ciurul lui Eratosthenes Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.47 kb
#include <fstream>
using namespace std;
ifstream f("ciur.in");
ofstream g("ciur.out");
int a[2000005],v[2000005],n;
int main()
{
    f>>n;
    for(int i=1;i<=n;i++){
        a[i]=i+1;
        v[i]=0;
    }
    for(int i=1;i<=n;i++){
        if(v[i]==0){
            for(int j=i+i;i<=n;j=j+i){
                v[j]=1;
            }
        }
    }
    for(int i=1; i<=n;i++){
        if(v[i]==0){
            g<<a[i]<<" ";
        }
    }
    return 0;
}