Cod sursa(job #279678)
Utilizator | Data | 12 martie 2009 22:05:49 | |
---|---|---|---|
Problema | Fractii | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.34 kb |
#include<stdio.h>
int main ()
{
long r,cnt,n,ci,i,ci2,i2;
freopen("fractii.in","r",stdin);
freopen("fractii.out","w",stdout);
scanf("%ld",&n);
cnt=0;
for (i=1;i<=n;i++)
for (i2=1;i2<=n;i2++)
{
ci=i;
ci2=i2;
while (ci2!=0)
{
r=ci%ci2;
ci=ci2;
ci2=r;
}
if (ci==1)
cnt++;
}
printf("%ld",cnt);
return 0;
}