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  1. program maxfact (input,output);
  2.     var N , i, j ,m : integer;
  3.         a : array [1..5000000] of boolean;
  4. begin
  5.     read(N);
  6.     for i:=1 to N do a[i]:=true;
  7.     m:=trunc(sqrt(N));
  8.     for i:=2 to m do
  9.        for j:=2 to m do a[i*j]:=false;
  10.     for i:=1 to N do 
  11.        begin
  12.          if (a[i]=true) then write(a[i], ' ')
  13.        end;    
  14. end.
Success #stdin #stdout 0.02s 9000KB
comments (?)
stdin 
16
stdout 
True True True True True True True True True True
https://ideone.com/lddzy
language:
Pascal (gpc 20070904)
created:
14 years ago
visibility:
public

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