Cod sursa(job #287055)

Utilizator Tase_CCapalna Tanase Tase_C Data 24 martie 2009 15:22:59
Problema Ciurul lui Eratosthenes Scor 0
Compilator fpc Status done
Runda aa Marime 0.31 kb
Raporteaza aceasta sursa 
var v:array[1..1300100] of byte;
    n,i,j,s,k:longint;
begin
assign(input,'ciur.in'); reset(input);
assign(output,'ciur.out'); rewrite(output);
readln(n);k:=13*n;
 for i:=2 to trunc(sqrt(k)) do
  if v[i]=0 then for j:=2 to k div i do v[i*j]:=1;
 for i:=1 to n do s:=1-v[i];
close(input); close(output);
end.