Cod sursa(job #2470025)

Utilizator Darkhider23Farcas Alex Darkhider23 Data 8 octombrie 2019 17:09:52
Problema Fractii Scor 0
Compilator cpp-64 Status done
Runda Arhiva de probleme Marime 0.34 kb
Raporteaza aceasta sursa 
#include <iostream>

using namespace std;
int cmmdc(int a,int b)
{int r;
    r=a%b;
    while(r!=0)
    {
        a=b;
        b=r;
        r=a%b;
    }
    return b;
}
int n,i,j,nr;
int main()
{
    cin>>n;
    nr=1;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
       if(i!=j and cmmdc(i,j)==1) nr++;
       cout<<nr;
}