Cod sursa(job #1793769)

Utilizator Anastasia11Susciuc Anastasia Anastasia11 Data 31 octombrie 2016 15:33:28
Problema Ciurul lui Eratosthenes Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.28 kb
#include <fstream>

using namespace std;
int n,i,s,p,c,j;
bool a[2000];
int main()
{ ifstream f("ciur.in");
ofstream g("ciur.out");
  f>>n;
  for(i=2;i<=n;i++)
    if(a[i]==0)
  {
      p++;
      for(j=i+1;j<=n;j=j+i)
        c[j]=1;
  }
  g<<p;
    return 0;
}