Cod sursa(job #241132)

Utilizator unknownliviuMaria Liviu Valentin unknownliviu Data 9 ianuarie 2009 15:18:32
Problema Ciurul lui Eratosthenes Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.31 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
int main ()
{
	long int N,m,k,i,j;
	ifstream in("ciur.in");
	ofstream out("ciur.out");
	in>>N;
	k=1;
	for(i=3;i<=N;i=i+2);
	{m=0;
		for(j=3;j<=i/2;j=j+2)
				if(i%j==0)
				m++;
		if (m==0)
			k++;
	}
	out<<k;
	in.close();
	out.close();
	
	
return 0;	
}