Cod sursa(job #10599)
Utilizator | Data | 28 ianuarie 2007 19:09:47 | |
---|---|---|---|
Problema | Fractii | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.35 kb |
using namespace std;
#include<fstream>
int main(){
ifstream f("fractii.in");
ofstream g("fractii.out");
long long n, p, nr, q, t, r, aux;
f>>n;
p=1;
nr=0;
while (p<=n){
q=1;
while (q<=n){
t=p;
r=q;
while (t%r!=0){
aux=r;
r=t%r;
t=aux;
}
if (r==1) nr++;
q++;
}
p++;
}
g<<nr;
return 0;
}