Cod sursa(job #355357)
Utilizator | Data | 10 octombrie 2009 20:19:20 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.29 kb |
#include<fstream.h>
int main()
{
int n,i,k,j,q,ok;
ifstream f("fractii.in");
ofstream g("fractii.out");
f>>n;
k=2*n-1;
for(i=2;i<=n;i++)
for(j=2;j<=n;j++)
for(q=2;q<=j;q++)
{ok=1;
if(i%q==0&&j%q==0)
ok=0;
if(ok==1)
k++;
}
g<<k;
return 0;
}