Cod sursa(job #313562)

Utilizator zloteanu.adrianzloteanu adrian nichita zloteanu.adrian Data 9 mai 2009 12:54:39
Problema Ciurul lui Eratosthenes Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.25 kb
Raporteaza aceasta sursa 
#include<fstream.h>
int v[2000001];
int main()
{int i,n,j;
ifstream q("ciur.in");
ofstream w("ciur.out");
q>>n;
for(i=2;i<=n;i++)
	for(j=i+1;j<=n;j++)
		if(j%i==0)
		 v[j]=1;
int np=0;
for(i=2;i<n;i++)
	if(v[i]==0)
	 np++;
w<<np;
return 0;}