Cod sursa(job #385153)
Utilizator | Data | 22 ianuarie 2010 10:18:25 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.25 kb |
#include<stdio.h>
int main()
{
fscanf(in,"%d",&n);
if(n==1) fprintf(out,"1");
else
{
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
a=i;b=j;
while(b!=0)
{
r=a%b;
a=b;
b=r;
}
if(a!=1) nr++;
}
}
fprintf(out,"%d",nr);
}
}