Cod sursa(job #895026)

Utilizator OStefOprea Stefania OStef Data 27 februarie 2013 09:21:27
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.34 kb
Raporteaza aceasta sursa 
#include <iostream>
#include<fstream>
using namespace std;
ifstream f("fractii.in");
ofstream g("fractii.out");

int main()
{ int n,i,d,p, nr;
f>>n;
nr=1;
for (i=1;i<=n;i++)
   {p=1;
       for(d=2;d<=i;d++)
          if ((i%d==0)&&((i+1)%d==0))
            p=0;

    if (p==1)
        nr=nr+2;

   }

 g<<nr;

    return 0;
}