Cod sursa(job #1677251)
Utilizator | Data | 6 aprilie 2016 14:04:45 | |
---|---|---|---|
Problema | Ciurul lui Eratosthenes | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.37 kb |
#include <iostream>
using namespace std;
bool a[2000001];
int n,i,j;
int main()
{
cin>>n;
for(i=2; i<=n; i++)
a[i]=true;
for(i=2; i<=n; i++)
{
if(a[i]==true)
{
for(j=2*i; j<=n; j+=i)
a[j]=false;
}
}
for(i=2; i<=n; i++)
if(a[i]==true) cout<<i<<" ";
return 0;
}