Cod sursa(job #175795)
Utilizator | Data | 10 aprilie 2008 13:38:20 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.35 kb |
#include<iostream.h>
#include<fstream.h>
int main(void)
{
fstream f,g;
long int n,i,j,k,min=0;
f.open("fractii.in",ios::in);
f>>n;
f.close();
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
for(k=2;k<=n;k++)
if(i%k==0&&j%k==0)
{
min++;
break;
}
g.open("fractii.out",ios::out);
g<<n*n-min;
g.close();
return 0;
}