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| program Project1;
{$mode objfpc}{$H+}
uses
{$IFDEF UNIX}{$IFDEF UseCThreads}
cthreads,
{$ENDIF}{$ENDIF}
Classes, SysUtils, CustApp, Math
{ you can add units after this };
type
{ TMyApplication }
TMyApplication = class(TCustomApplication)
protected
procedure DoRun; override;
public
constructor Create(TheOwner: TComponent); override;
destructor Destroy; override;
procedure WriteHelp; virtual;
end;
{ TMyApplication }
procedure printarray(s:string;t:array of integer);
var
i:integer;
begin
writeln(s);
write('[');
for i:=low(t) to high(t)-1 do write(t[i],',');
writeln(t[high(t)],']');
end;
procedure Swap(var t1,t2:integer);
var
t:integer;
begin
t:=t1;
t1:=t2;
t2:=t;
end;
procedure TMyApplication.DoRun;
var
ErrorMsg: String;
n,i,j,k:integer;
a,b:array of integer;
begin
// quick check parameters
ErrorMsg:=CheckOptions('h','help');
if ErrorMsg<>'' then begin
ShowException(Exception.Create(ErrorMsg));
Terminate;
Exit;
end;
// parse parameters
if HasOption('h','help') then begin
WriteHelp;
Terminate;
Exit;
end;
{ add your program here }
randomize;
write('n=');readln(n);
setlength(a,n);
for i:=0 to n-1 do a[i]:=random(71)-40;
printarray('A:',a);
{1}
j:=0;
for i:=0 to n-1 do
if not ((a[i] div 10=0) or (a[i] div 10=a[i] mod 10)) then begin
j:=j+1;
SetLength(b,j);
b[j-1]:=a[i];
end;
printarray('A{1}:',b);
{2}
write('k=');readln(k);
setlength(b,n);
for i:=0 to n-1 do
if abs(a[i] div 10)=1 then b[i]:=sign(a[i])*k*100+a[i] else
if (a[i] div 10=0) and (a[i]=1) then b[i]:=sign(a[i])*k*10+a[i] else
b[i]:=a[i];
printarray('A{2}:',b);
{3}
Swap(a[0],a[n-3]);
Swap(a[1],a[n-2]);
Swap(a[2],a[n-1]);
printarray('A{3}:',a);
readln;
// stop program loop
Terminate;
end;
constructor TMyApplication.Create(TheOwner: TComponent);
begin
inherited Create(TheOwner);
StopOnException:=True;
end;
destructor TMyApplication.Destroy;
begin
inherited Destroy;
end;
procedure TMyApplication.WriteHelp;
begin
{ add your help code here }
writeln('Usage: ',ExeName,' -h');
end;
var
Application: TMyApplication;
begin
Application:=TMyApplication.Create(nil);
Application.Title:='My Application';
Application.Run;
Application.Free;
end. |
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