Cod sursa(job #1805623)

Utilizator Allex_SiriusJega Alexandru Allex_Sirius Data 13 noiembrie 2016 23:30:41
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.28 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
int main()
{int n, i, j, k;
ifstream f1("fractii.in");
ofstream f2("fractii.out");
f1>>n;
f1.close();
k=2*n-1;
if(n<=3)f2<<k;
else
{for(i=2;i<=n;i++)
for(j=2;j<=n;j++)if(!(i%j==0) || !(j%i==0))k++;

 f2<<k;
}
f2.close();
return 0;
}