Cod sursa(job #2484228)
Utilizator | Data | 30 octombrie 2019 19:38:45 | |
---|---|---|---|
Problema | Fractii | Scor | 0 |
Compilator | cpp-64 | Status | done |
Runda | Arhiva de probleme | Marime | 0.3 kb |
#include <iostream>
#include <fstream>
using namespace std;
ifstream in("fractii.in");
ofstream out("fractii.out");
int main()
{
int N,nr,i,j,k,nu;
in>>N;
nr=N*N;
for (i=2; i<=N; i++)
for (j=2; j<=N; j++)
if (j==i||j%i==0||i%j==0 )nr--;
out<<nr;
}