Cod sursa(job #288184)
Utilizator | Data | 25 martie 2009 17:01:46 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.33 kb |
#include<fstream.h>
long cmmdc(long a,long b)
{long i;
while(b)
{i=a%b;
a=b;
b=i;
}
return a;
}
int main()
{long n,j,i,s=0;
ifstream f("fractii.in");
f>>n;
f.close();
cout<<endl;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(cmmdc(i,j)==1)s++;
ofstream g("fractii.out");
g<<s;
g.close();
return 0;
}