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- #include <iostream>
- using namespace std
- int v[1005],i,j,N;
- bool prim(int x)
- {
- for (int i=2;i*i<=x;i++)
- if (x%i==0) return false;
- return true;
- }
- int main()
- {
- cin>>N;
- for (i=1;i<=N;i++) cin>>v[i];
- for (i=1;i<N;i++)
- {
- for (j=i+1;j<=N;j++)
- {
- if (prim(v[i]) && prim(v[j]))
- {
- int aux=v[i];
- v[i]=v[j];
- v[j]=aux;
- }
- }
- }
- for (i=1;i<=N;i++) cout<<v[i]<<" ";
- return 0;
- }
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