Added solution for "Day 1: Trebuchet?!", part 1
This commit is contained in:
Stefan Müller
parent
97348e0852
commit
585083f5ca
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<?xml version="1.0" encoding="UTF-8"?>
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<CONFIG>
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<ProjectOptions>
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<Version Value="12"/>
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<PathDelim Value="\"/>
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<General>
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<Flags>
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<MainUnitHasCreateFormStatements Value="False"/>
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<MainUnitHasTitleStatement Value="False"/>
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<MainUnitHasScaledStatement Value="False"/>
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</Flags>
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<SessionStorage Value="InProjectDir"/>
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<Title Value="Advent of Code 2023"/>
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<UseAppBundle Value="False"/>
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<ResourceType Value="res"/>
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</General>
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<BuildModes>
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<Item Name="Default" Default="True"/>
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</BuildModes>
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<PublishOptions>
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<Version Value="2"/>
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<UseFileFilters Value="True"/>
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</PublishOptions>
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<RunParams>
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<FormatVersion Value="2"/>
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</RunParams>
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<Units>
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<Unit>
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<Filename Value="AdventOfCode.lpr"/>
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<IsPartOfProject Value="True"/>
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</Unit>
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<Unit>
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<Filename Value="puzzles\utrebuchet.pas"/>
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<IsPartOfProject Value="True"/>
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<UnitName Value="UTrebuchet"/>
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</Unit>
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</Units>
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</ProjectOptions>
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<CompilerOptions>
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<Version Value="11"/>
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<PathDelim Value="\"/>
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<Target>
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<Filename Value="bin\AdventOfCode"/>
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</Target>
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<SearchPaths>
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<IncludeFiles Value="$(ProjOutDir)"/>
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<OtherUnitFiles Value="puzzles"/>
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<UnitOutputDirectory Value="lib\$(TargetCPU)-$(TargetOS)"/>
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</SearchPaths>
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<Linking>
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<Debugging>
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<DebugInfoType Value="dsDwarf3"/>
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</Debugging>
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</Linking>
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</CompilerOptions>
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<Debugging>
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<Exceptions>
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<Item>
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<Name Value="EAbort"/>
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</Item>
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<Item>
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<Name Value="ECodetoolError"/>
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</Item>
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<Item>
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<Name Value="EFOpenError"/>
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</Item>
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</Exceptions>
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</Debugging>
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</CONFIG>
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@ -0,0 +1,103 @@
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{
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Solutions to the Advent Of Code.
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Copyright (C) 2023 Stefan Müller
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This program is free software: you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program. If not, see <http://www.gnu.org/licenses/>.
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}
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program AdventOfCode;
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{$mode objfpc}{$H+}
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uses
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{$IFDEF UNIX}
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cthreads,
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{$ENDIF}
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Classes, SysUtils, CustApp, UTrebuchet;
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type
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{ TAdventOfCode }
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TAdventOfCode = class(TCustomApplication)
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private
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procedure RunPuzzleSolutions;
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protected
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procedure DoRun; override;
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public
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constructor Create(TheOwner: TComponent); override;
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destructor Destroy; override;
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procedure WriteHelp; virtual;
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end;
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{ TAdventOfCode }
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procedure TAdventOfCode.RunPuzzleSolutions;
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begin
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TTrebuchet.Solve;
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end;
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procedure TAdventOfCode.DoRun;
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var
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ErrorMsg: String;
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begin
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// quick check parameters
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ErrorMsg := CheckOptions('h', 'help');
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if ErrorMsg <> '' then
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begin
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ShowException(Exception.Create(ErrorMsg));
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Terminate;
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Exit;
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end;
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// parse parameters
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if HasOption('h', 'help') then
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begin
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WriteHelp;
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Terminate;
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Exit;
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end;
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{ add your program here }
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RunPuzzleSolutions;
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// stop program loop
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Terminate;
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end;
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constructor TAdventOfCode.Create(TheOwner: TComponent);
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begin
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inherited Create(TheOwner);
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StopOnException := True;
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end;
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destructor TAdventOfCode.Destroy;
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begin
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inherited Destroy;
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end;
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procedure TAdventOfCode.WriteHelp;
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begin
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{ add your help code here }
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writeln('Usage: ', ExeName, ' -h');
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end;
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var
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Application: TAdventOfCode;
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begin
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Application := TAdventOfCode.Create(nil);
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Application.Title := 'Advent of Code 2023';
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Application.Run;
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Application.Free;
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end.
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@ -0,0 +1,81 @@
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unit UTrebuchet;
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{$mode ObjFPC}{$H+}
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interface
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uses
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Classes, SysUtils;
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type
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{ TTrebuchet }
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TTrebuchet = class(TObject)
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private
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FValue: Integer;
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procedure RunSolution;
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procedure ProcessDataLine(const ALine: string);
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public
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class procedure Solve; static;
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constructor Create;
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end;
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implementation
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{ TTrebuchet }
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procedure TTrebuchet.RunSolution;
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var
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data: TextFile;
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s: string;
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begin
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AssignFile(data, ConcatPaths(['data', 'trebuchet_calibration_document.txt']));
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try
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reset(data);
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while (not EOF(data)) do
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begin
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readln(data, s);
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ProcessDataLine(s);
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end;
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finally
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CloseFile(data)
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end;
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WriteLn(FValue);
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end;
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procedure TTrebuchet.ProcessDataLine(const ALine: string);
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var
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c: Char;
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first, last: Integer;
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begin
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first := -1;
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last := -1;
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for c in ALine do
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begin
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if c in ['0'..'9'] then
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begin
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last := StrToInt(c);
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if first < 0 then
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first := last;
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end;
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end;
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Inc(FValue, first * 10 + last);
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end;
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class procedure TTrebuchet.Solve;
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var
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trebuchet: TTrebuchet;
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begin
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WriteLn('--- Day 1: Trebuchet?! ---');
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trebuchet := TTrebuchet.Create;
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trebuchet.RunSolution;
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end;
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constructor TTrebuchet.Create;
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begin
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FValue := 0;
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end;
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end.
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