Cod sursa(job #384388)

Utilizator demolatorIonascu Razvan Sorinel demolator Data 19 ianuarie 2010 23:13:20
Problema Fractii Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include<fstream.h>
ifstream f("fractii.in");
ofstream g("fractii.out");

int n,i,j,x,y,nr;

int main()
{ f>>n;
  nr=0;
   for(i=1;i<=n;i++)
      for(j=1;j<=n;j++)
	 { x=i; y=j;
	     while(x!=y)
		if(x>y)
		  x=x-y;
	       else
		  y=y-x;
	   if(x==1)
	      nr++;
	  }

g<<nr;
f.close();
g.close();
return 0;
}