Cod sursa(job #575700)
Utilizator | Stoin Raul raulstoin | Data | 8 aprilie 2011 17:39:36 |
---|---|---|---|
Problema | Fractii | Scor | 10 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.41 kb |
#include<fstream>
using namespace std;
ifstream f("fractii.in");
ofstream g("fractii.out");
int main()
{
int n,i,auxi,auxj,j,k=0;
f>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{
auxi=i;
auxj=j;
do
{
if(auxi>auxj)
auxi=auxi-auxj;
if(auxj>auxi)
auxj=auxj-auxi;
}while(auxj!=auxi);
if(auxi==1)
k++;
}
g<<k<<'\n';
f.close();
g.close();
return 0;
}