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| unit Unit1;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, FileUtil, LResources, Forms, Controls, Graphics, Dialogs,
StdCtrls, ComCtrls;
type
{ TForm1 }
TForm1 = class(TForm)
Button1: TButton;
Button2: TButton;
Edit1: TEdit;
Memo1: TMemo;
UpDown1: TUpDown;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ private declarations }
public
{ public declarations }
end;
var
Form1: TForm1;
implementation
{ TForm1 }
var
DynArr:array of Int64;
procedure TForm1.Button1Click(Sender: TObject);
procedure CardinalCount(const Arr:array of Int64; var count:integer);
var
i:integer;
begin
count:=0;
for i:=Low(Arr) to High(Arr) do
if (Arr[i]<=High(Cardinal)) and (Arr[i]>=Low(Cardinal)) then
count:=count+1;
end;
var
s1,s2,s3,s4:string;
i,n:integer;
begin
Memo1.Lines.Clear;
SetLength(DynArr,UpDown1.Position);
for i:=Low(DynArr) to High(DynArr) do
DynArr[i]:=Random(High(Int64));
CardinalCount(DynArr,n);
s1:='Количество приводимых элементов: ' + IntToStr(n);
Memo1.Lines.Add(s1);
for i:=Low(DynArr) to High(DynArr) do
s2:=s2+IntToStr(DynArr[i])+'; ';
Memo1.Lines.Add(s2);
SetLength(DynArr,UpDown1.Position+1);
DynArr[High(DynArr)]:=High(Int64);
CardinalCount(DynArr,n);
s3:='Количество приводимых элементов: ' + IntToStr(n);
Memo1.Lines.Add(s3);
for i:=Low(DynArr) to High(DynArr) do
s4:=s4+IntToStr(DynArr[i])+'; ';
Memo1.Lines.Add(s4);
end;
procedure TForm1.Button2Click(Sender: TObject);
function PWideToString(pw: PWideChar): string;
var
p: PChar;
iLen: integer;
begin
iLen := lstrlenw(pw) + 1;
GetMem(p, iLen);
WideCharToMultiByte(CP_ACP, 0, pw, iLen, p, iLen * 2, nil, nil);
Result := p;
FreeMem(p, iLen);
end;
procedure TakeArray(const Args:array of const);
var
i,count,truecount,falsecount:integer;
s1,s2,s3:string;
begin
count:=0;
truecount:=0;
falsecount:=0;
for i:=Low(Args) to High(Args) do
case Args[i].VType of
vtBoolean:
if Args[i].VBoolean=true
then
truecount:=truecount+1
else
falsecount:=falsecount+1;
vtAnsiString:
s1:=string(Args[i].VAnsiString);
vtPWideChar:
s2:=PWideToString(Args[i].VPWideChar);
end;
Memo1.Lines.Add('Ð*азница true и false: ' + IntToStr(abs(falsecount-truecount)));
for i:=1 to length(s1) do
begin
if (i mod 2=0) then s3:=s3+s1[i];
if (((s1[i]>='A') and (s1[i]<='Z')) or ((s1[i]>='А') and (s1[i]<='Я'))) then count:=count+1;
end;
for i:=1 to length(s2) do
begin
if (i mod 2=0) then s3:=s3+s2[i];
if (((s2[i]>='A') and (s2[i]<='Z')) or ((s2[i]>='А') and (s2[i]<='Я'))) then count:=count+1;
end;
Memo1.Lines.Add('Количество прописных букв: ' + IntToStr(count));
Memo1.Lines.Add('Четные: ' + s3);
end;
var
OpnArr:array of TVarRec;
begin
Memo1.Lines.Clear;
SetLength(OpnArr,10);
OpnArr[0].VType:=vtObject;
OpnArr[0].VObject:=TObject.Create;
OpnArr[1].VType:=vtBoolean;
OpnArr[1].VBoolean:=false;
OpnArr[2].VType:=vtBoolean;
OpnArr[2].VBoolean:=false;
OpnArr[3].VType:=vtBoolean;
OpnArr[3].VBoolean:=true;
OpnArr[4].VType:=vtBoolean;
OpnArr[4].VBoolean:=false;
OpnArr[5].VType:=vtBoolean;
OpnArr[5].VBoolean:=true;
OpnArr[6].VType:=vtBoolean;
OpnArr[6].VBoolean:=false;
OpnArr[7].VType:=vtBoolean;
OpnArr[7].VBoolean:=true;
OpnArr[8].VType:=vtAnsiString;
New(OpnArr[8].VAnsiString);
AnsiString(OpnArr[8].VAnsiString):='Здравтвуйте';
OpnArr[9].VType:=vtPWideChar;
New(OpnArr[9].VPWideChar);
PWideChar(OpnArr[9].VPWideChar):='Делайте своё дело!';
TakeArray(OpnArr);
end;
initialization
{$I unit1.lrs}
end. |
(
