Cod sursa(job #1371271)

Utilizator AndreiM1998Andrei Margeanu AndreiM1998 Data 3 martie 2015 20:17:13
Problema Fractii Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.35 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("fractii.in");
ofstream g("fractii.out");

int main()
{int n,i=2,j,c,a,b;
f>>n;
c=2*n-1;
while(i<=n)
{j=2;
while(j<=n)
{
if(i!=j)
{a=i;
b=j;
while(a!=b)
if(a>b)
a=a-b;
else b=b-a;
if(a==1)
c++;
}
j++;}
i++;}
g<<c;
f.close();
g.close();
    return 0;
}