Cod sursa(job #981566)
Utilizator | Data | 7 august 2013 15:40:42 | |
---|---|---|---|
Problema | Fractii | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.34 kb |
#include<fstream>
using namespace std;
int cmmdc(int i,int j)
{if(!i)return j;
if(!j)return i;
return cmmdc(j,i%j);}
int main()
{
int n,x=0;
ifstream f("fractii.in");
f>>n;f.close();
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
x+=(i==1||j==1||cmmdc(i,j)==1);
ofstream g("fractii.out");
g<<x;g.close();
}