Cod sursa(job #17683)
Utilizator | Data | 16 februarie 2007 17:39:50 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.29 kb |
#include<fstream.h>
cmmdc(int x, int y)
{while(x!=y)
if(x>y) x-=y;
else y-=x;
return x;
}
void main()
{long int n,i,j,nr=0;
fstream f("fractii.in",ios::in);
fstream g("fractii.out",ios::out);
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(cmmdc(i,j)==1) nr++;
g<<nr;}