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Jul 20th, 2018
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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6. int n,i,j,prim,x,k;
  7. cin>>n;
  8. long v[n];
  9. for(i=1; i<=n; i++) cin>>v[i];
  10. for(i=1; i<=n; i++){
  11. if(v[i]==2) {
  12. for(j=i; j<n; j++){
  13. v[j]=v[j+1];
  14. }n--; i--;
  15. }
  16. else if(v[i]%2!=0&&v[i]!=1)
  17. {prim=1;
  18. for(j=3; j*j<=v[i]; j+=2){
  19. if(v[i]%j==0) {prim=0; break;}}
  20. if(prim==1) {
  21. for(k=i; k<n; k++){
  22. v[k]=v[k+1];
  23. }
  24. n--; i--;}
  25. }
  26. }
  27. for(i=1; i<=n; i++) cout<<v[i]<<' ';
  28. return 0;
  29. }
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