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Cod sursa(job #990045)
#include <fstream>
#include <algorithm>
using namespace std;
ifstream f("economie.in");
ofstream g("economie.out");
int n, a[1005], sol[1005], dim;
int main()
{
f>>n;
for (int i=1; i<=n; ++i) f>>a[i];
sort(a+1, a+n+1); sol[++dim]=a[1];
for (int i=2; i<=n; ++i)
{
bool ok=1;
for (int j=1; j<i && ok; ++j)
if (a[i]%a[j]==0) ok=0;
if (ok) sol[++dim]=a[i];
}
g<<dim<<'\n';
for (int i=1; i<=dim; ++i) g<<sol[i]<<' ';
return 0;
}