Cod sursa(job #355299)
| Utilizator |  Dobrica Adrian adrian79 |
Data | 10 octombrie 2009 17:42:00 |
|---|---|---|---|
| Problema | Fractii | Scor | 10 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.32 kb |
#include <fstream.h>
using namespace std;
long cmmdc(long a,long b)
{long r; while(a%b!=0)
{r=a%b; a=b; b=r;}
return b;}
int main()
{ifstream f;
ofstream g;
f.open("fractii.in");
g.open("fractii.out");
long i,j,n,x=0;
f>>n;
for (i=1;i<=n;i++)
for (j=1;j<=n;j++)
if (cmmdc(i,j)==1) x++;
g<<x;
return 0;
}