Cod sursa(job #2390125)
Utilizator | Data | 27 martie 2019 19:39:53 | |
---|---|---|---|
Problema | Fractii | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.36 kb |
#include <fstream>
using namespace std;
int n,a,b,r,nr,ca,cb;
ifstream f("fractii.in");
ofstream g("fractii.out");
int main()
{
f>>n;
for(a=1;a<=n;a++)
for(b=1;b<=n;b++)
{
ca=a;
cb=b;
while(cb!=0)
{r=ca%cb;
ca=cb;
cb=r;
}
if(ca==1)
nr++;
}
g<<nr;
return 0;
}