// 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.
// PascalABC.NET 3.0, сборка 1157 от 02.02.2016 begin var n:=ReadInteger('n='); if n<0 then Writeln(n,'! не определено: n<0') else if n=0 then Writeln('0!=1') else begin var p:BigInteger:=1; for var i:=2 to n do p*=i; Writeln(n,'!=',p) end end.
