Cod sursa(job #2470669)
Utilizator | Data | 9 octombrie 2019 17:42:20 | |
---|---|---|---|
Problema | Fractii | Scor | 10 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.35 kb |
#include<fstream>
using namespace std;
ifstream f ("fractii.in");
ofstream g ("fractii.out");
int cmmdc(int x,int y)
{while(x!=y)
if (x>y)
x=x-y;
else
y=y-x;
return x;}
long p,q,n,nr;
int main()
{f>>n;
nr = 0;
for (p=1;p<=n;p++)
for ( q=1;q<=n;q++)
if(cmmdc(p,q)==1)
nr++;
g<<nr;
f.close();
g.close();
return 0;
}