Cod sursa(job #573477)
Utilizator | Data | 6 aprilie 2011 12:20:13 | |
---|---|---|---|
Problema | Ciurul lui Eratosthenes | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva educationala | Marime | 0.28 kb |
#include <iostream>
#include <fstream>
using namespace std;
int main ()
{
long n, rsp, d, aux;
ifstream fi("ciur.in");
ofstream fo("ciur.out");
fi>>n; rsp=n;
for(d=2;d<=n;d++)
for(aux=d+d;aux<=n;aux*=d)
rsp--;
fo<<rsp-1;
fi.close();
fo.close();
return 0;
}