Cod sursa(job #255479)

Utilizator andreirRoti Andrei andreir Data 9 februarie 2009 20:43:25
Problema Fractii Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.34 kb
Raporteaza aceasta sursa 
#include<fstream.h>
int cmmdc(int x,int y)  
{  
	if(!y)  
		return x;  
	return cmmdc(y,x%y);  
}  
int main()
{
	ifstream fin("fractii.in");
	ofstream fout("fractii.out");
	int i,j,n,s;
	fin>>n;
	s=n;
	for(i=1;i<=n;i++)
		for(j=2;j<=n;j++)
			if(cmmdc(i,j)==1)
				s++;
	fout<<s;
	fin.close();
	fout.close();
	return 0;
}