Cod sursa(job #1342729)

Utilizator WhiteStormPopovici Stefan WhiteStorm Data 14 februarie 2015 14:19:38
Problema Fractii Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>
using namespace std;
ifstream in("fractii.in");
ofstream out("fractii.out");
int cmmdc(int a,int b)
{int r;
 while(b)
 {r=a%b;
 a=b;
 b=r;}
 return a;
 }
int main()
{
    int n,i,j,k=0;
    in>>n;
    for(i=1;i<=n;i++)
    for(j=1;j<=n;j++) if(cmmdc(i,j)==1) k++;
    out<<k;
    return 0;
}