Const n = 5; var i: integer; a: array[1..n * 2 + 1] of integer; begin writeln('исходный массив: '); for i : = 1 to 2 * n do begin a[i] : = random(99) + 1; write(a[i] : 5); end; for i : = 2 * n + 1 downto n + 1 do a[i] : = a[i - 1]; a[n + 1] : = 0; writeln(); writeln('полученный массив: '); for i : = 1 to 2 * n + 1 do write(a[i] : 5); end.
// PascalABC.NET 3.1, сборка 1200 от 13.03.2016 function IsPrime(n:integer):boolean; begin if n<4 then Result:=True else begin var found:= (n mod 2 = 0); var p:=3; while (not found) and (sqr(p)<=n) do begin found:=(n mod p = 0); p+=2 end; Result:=not found end end;
begin Writeln('k=',ArrRandom(ReadInteger('n='),1,999).Println. Where(x->IsPrime(x)).Count) end.
// PascalABC.NET 3.1, сборка 1200 от 13.03.2016 procedure IsPrime(n:integer; var res:boolean); begin if n<4 then res:=True else begin var found:= (n mod 2 = 0); var p:=3; while (not found) and (sqr(p)<=n) do begin found:=(n mod p = 0); p+=2 end; res:=not found end end;
begin var a:=ArrRandom(ReadInteger('n='),1,999); a.Println; var k:=0; var prime:boolean; foreach var e in a do begin IsPrime(e,prime); if Prime then Inc(k) end; Writeln('k=',k) end.
