Cod sursa(job #1282731)
Utilizator | Data | 4 decembrie 2014 17:57:47 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.35 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("fractii.in");
ofstream fout("fractii.out");
int n,p,q,i,k,f;
int main()
{
fin>>n;f=2*n-1;
for(p=1;p<=n;p++)
{
for(q=1;q<=n;q++)
if((p%q!=0)&&(q%p!=0))
f++;
}
fout<<f;
fin.close();
fout.close();
return 0;
}