Cod sursa(job #807463)
Utilizator | Data | 4 noiembrie 2012 19:07:11 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.34 kb |
#include <iostream>
#include <fstream>
using namespace std;
int main()
{
int n,p,q,s;
ifstream ka("fractii.in");
ofstream ki("fractii.out");
ka>>n;
s=2*n-1;
for(p=2;p<=n;p++)
{
for(q=2;q<=n;q++)
{
if((q%p!=0)and(p%q!=0))
s++;
}
}
ki<<s;
}