Cod sursa(job #1317832)

Utilizator GeorgianaMMirlogeanu Georgiana GeorgianaM Data 15 ianuarie 2015 11:27:09
Problema Ciurul lui Eratosthenes Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.35 kb
Raporteaza aceasta sursa 
#include <iostream>
#include<fstream>
#define NMAX 2000005
using namespace std;
ifstream f("ciur.in");
ofstream g("ciur.out");
 int main()
{ int ciur[NMAX],n,i,j;
cout<<"n= ";cin>>n;
for (i=2;i<n;i++)
ciur[i]=1;
for (i=2;i*i<=n;i++)
if (ciur[i])
for (j=2;j*i<n;j++)
ciur[i*j]=0;
for (i=2;i<n;i++)
if (ciur[i]) cout<<i<<' ';
    return 0;
}