Cod sursa(job #2200602)

Utilizator gagasergiugaga sergiu gagasergiu Data 1 mai 2018 22:55:42
Problema Fractii Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.28 kb
Raporteaza aceasta sursa 
#include <iostream>
#include <fstream>
using namespace std;
ifstream f("fractii.in");
ofstream g("fractii.out");
int n,nr,ok,k,j,i,prim[10000];
int main()
{   cin>>n;
    nr=n*n;
    for(i=2;i<=n;i++)
        for(j=2;j<=n;j++)
        if(i%j==0 or j%i==0)nr--;
  cout<<nr;
}