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- #include <iostream>
- #define NN 1000001
- using namespace std;
- int n,v[NN];
- int main()
- {
- cin>>n;
- v[0]=v[1]=1;
- for(int i=2;i*i<=n;++i)
- if(v[i]==0)
- for(int j=2;i*j<=n;++j)
- v[i*j]=1;
- for(int i=1;i<=n;++i)
- if(v[i]==0)
- cout<<i<<' ';
- return 0;
- }
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