Cod sursa(job #708431)
Utilizator | Data | 6 martie 2012 20:07:39 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.33 kb |
#include<fstream>
using namespace std;
ifstream in("fractii.in");
ofstream out("fractii.out");
int validare(int a,int b)
{ int r;
while(r!=0)
{
r=a%b;
a=b;
b=r;
}
return a;
}
int main ()
{
int n,i,j,k=1;
in>>n;
for(i=1;i<=n;i++)
for(j=2;j<=n;j++)
if(validare(i,j))
k++ ;
out<<k;
}