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  1.  
  2. def len = 100
  3. boolean [] arr = new boolean[len]
  4. len.times{arr[it]=true;}
  5. arr[0] = false;//Fill 1, arr[1] =3
  6.  
  7. //arr.eachWithIndex{v,k ->println v; println k*2+1 }
  8.  
  9. def times = Math.sqrt(len) + 2 
  10. for(def i = 1; i < times; i++){
  11. def j = i;
  12. def dist = i+i+1;
  13. j += dist;
  14. for(; j < len; j=dist+j){
  15. arr[ j ] = false;
  16. }
  17. //arr.eachWithIndex{v,k ->println v; println k*2+1 }
  18. }
  19. arr.eachWithIndex{v,i->if(v){ println i*2+1} }
Success #stdin #stdout 1.49s 218816KB
comments (?)
stdin 
Standard input is empty
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https://ideone.com/OvKsv
language:
Groovy (groovy 2.5.6)
created:
14 years ago
visibility:
public

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