Cod sursa(job #119431)

Utilizator mihaimoldovanMihai Moldovan mihaimoldovan Data 31 decembrie 2007 14:29:59
Problema Fractii Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
#include<fstream.h>
int main()
{
int n,i,j,pp,nr=0,d;
ifstream fin("fractii.in");
fin>>n;
fin.close();
for(i=2;i<=n;i++)
for(j=1;j<=n;j++)
{
pp=1;
if(i%2==0&&j%2==0)pp=0;
else for(d=3;d<=n;d+=2)
     if(i%d==0&&j%d==0)pp=0;
if(pp)nr++;
}
ofstream fout("fractii.out");
fout<<nr+n;    
fout.close();
return 0;
}