Cod sursa(job #2974281)

Utilizator TianaInfoLitcanu Tiana TianaInfo Data 3 februarie 2023 19:26:27
Problema Ciurul lui Eratosthenes Scor 0
Compilator cpp-64 Status done
Runda Arhiva educationala Marime 0.38 kb
#include <fstream>
using namespace std;
ifstream fin ("ciur.in");
ofstream fout ("ciur.out");
bool ciur [1000001];
int i,j,n;
int main()
{
    fin>>n;
    ciur[0]=1;ciur[1]=1;
    for (i=2;i*i<=n;i++)
        if (ciur[i]==0){
        for(j=2;j*i<=n;j++)
            ciur[i*j]=1;
    }
    for (i=1;i<=n;i++)
        if(ciur[i]==0)fout<<i<<" ";
        return 0;

}