Cod sursa(job #945723)

Utilizator Dorian7Casapu Dorian Dorian7 Data 2 mai 2013 18:39:56
Problema Fractii Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.34 kb
Raporteaza aceasta sursa 
#include<iostream>
#include<fstream>
using namespace std;
int main()
{ long long int n,i,j,s,r,d,c,a,b;
ifstream f("fractii.in");
ofstream g("fractii.out");
f>>n;


s=2*n-1;

for(i=2;i<=n;i++)
for(j=2;j<=n;j++)
{long long int x,y;
x=i;y=j;
while(x%y!=0)
{r=x%y;
x=y;
y=r;
}
if(y==1)
s++;
}
g<<s;

f.close();
g.close();

}