Cod sursa(job #9083)
| Utilizator |  Alexandru Dumitru Paunoiu DranaXum |
Data | 26 ianuarie 2007 17:17:15 |
|---|---|---|---|
| Problema | Fractii | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.36 kb |
#include <fstream.h>
int cmmdc(long int a,long int b)
{
long int r;
int x=1;
while(x)
{
r=a%b;
a=b;
b=r;
if(r<2) x=0;
}
return r;
}
int main()
{
long int x,n,i,j;
ifstream fin("fractii.in");
ofstream fout("fractii.out");
fin>>n;
fin.close();
x=0;
for(i=1;i<=n;i++)
for(j=2;j<=n;j++)
x+=cmmdc(i,j);
fout<<(x+n);
fout.close();
return 0;
}