Cod sursa(job #1239104)

Utilizator Mihnea769Zarafu Mihnea Mihnea769 Data 8 octombrie 2014 11:19:13
Problema Ciurul lui Eratosthenes Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.38 kb
#include<stdio.h>

bool c[10000];

using namespace std;

int main()
{
FILE *in,*out;
in=fopen("ciur.in","r");
out=fopen("ciur.out","w");
    int i,j,n;
    scanf("%d",&n);
    for(i=2; i*i<=n; i++)
    {
        if(!c[i])
            for(j=i*i; j<=n; j+=i)
                c[j]=true;
    }
    for(i=2; i<=n; i++)
    {
        if(!c[i])
            printf("%d ",i);
    }
    return 0;
}