Solution for Day 1 in C++
This commit is contained in:
Jose Caban
130
2025/Cpp/Day01/Day01.cpp
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130
2025/Cpp/Day01/Day01.cpp
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#include "AdventHelpers/AdventOfCodeSolution.h"
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#include <iostream>
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#include <cassert>
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#include <string>
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class Dial {
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public:
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Dial(bool debug = false, int initialPosition = 50, int minPosition = 0, int maxPosition = 99)
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: mDebug(debug)
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, mPosition(initialPosition)
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, mMinPosition(minPosition)
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, mMaxPosition(maxPosition)
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{
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}
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// Returns number of times it passes 0
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int TurnLeft(int amount) {
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int clicksAtZero = 0;
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if (mDebug) std::cout << "Turning left " << amount << " from " << mPosition;
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while (amount > 0) {
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if (mPosition == 0) {
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mPosition = mMaxPosition;
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}
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else {
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mPosition--;
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if (mPosition == 0) clicksAtZero++;
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}
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amount--;
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}
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assert(amount == 0);
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if (mDebug) std::cout << " Ended at: " << mPosition << std::endl;
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return clicksAtZero;
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}
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// Returns number of times it passes 0
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int TurnRight(int amount) {
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int clicksAtZero = 0;
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if (mDebug) std::cout << "Turning right " << amount << " from " << mPosition;
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while (amount > 0) {
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if (mPosition == mMaxPosition) {
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mPosition = 0;
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clicksAtZero++;
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}
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else {
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mPosition++;
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}
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amount--;
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}
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assert(amount == 0);
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if (mDebug) std::cout << " Ended at: " << mPosition << std::endl;
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return clicksAtZero;
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}
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int GetPosition() const {
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return mPosition;
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}
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private:
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const bool mDebug;
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const int mMaxPosition;
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const int mMinPosition;
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int mPosition;
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};
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class Day01Solution : public AdventHelpers::AdventOfCodeSolution
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{
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public:
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virtual std::string SolveProblem01(AdventHelpers::InputFileHelper& inputFile) override {
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Dial dial;
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int password = 0;
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for (const auto& line : inputFile) {
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assert(line.length() >= 2);
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char direction = line[0];
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int amount = std::stoi(line.substr(1));
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if (direction == 'L') {
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dial.TurnLeft(amount);
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}
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else if (direction == 'R') {
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dial.TurnRight(amount);
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}
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else {
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assert(false && "Invalid direction");
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}
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if (dial.GetPosition() == 0) {
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password++;
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}
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}
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return std::to_string(password);
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}
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virtual std::string SolveProblem02(AdventHelpers::InputFileHelper& inputFile) override {
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Dial dial;
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int clicksAtZero = 0;
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for (const auto& line : inputFile) {
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assert(line.length() >= 2);
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char direction = line[0];
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int amount = std::stoi(line.substr(1));
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if (direction == 'L') {
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clicksAtZero += dial.TurnLeft(amount);
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}
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else if (direction == 'R') {
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clicksAtZero += dial.TurnRight(amount);
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}
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else {
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assert(false && "Invalid direction");
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}
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}
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return std::to_string(clicksAtZero);
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}
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};
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int main()
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{
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Day01Solution solution;
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solution.SolveAll();
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}
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140
2025/Cpp/Day01/Day01.vcxproj
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140
2025/Cpp/Day01/Day01.vcxproj
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<?xml version="1.0" encoding="utf-8"?>
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<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<ItemGroup Label="ProjectConfigurations">
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<ProjectConfiguration Include="Debug|Win32">
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<Configuration>Debug</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Release|Win32">
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<Configuration>Release</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Debug|x64">
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<Configuration>Debug</Configuration>
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<Platform>x64</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Release|x64">
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<Configuration>Release</Configuration>
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<Platform>x64</Platform>
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</ProjectConfiguration>
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</ItemGroup>
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<PropertyGroup Label="Globals">
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<VCProjectVersion>18.0</VCProjectVersion>
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<Keyword>Win32Proj</Keyword>
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<ProjectGuid>{ea6fa096-2ae5-4dd8-9834-b032b6ba9e6b}</ProjectGuid>
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<RootNamespace>Day01</RootNamespace>
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<WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
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</PropertyGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>true</UseDebugLibraries>
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<PlatformToolset>v145</PlatformToolset>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>false</UseDebugLibraries>
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<PlatformToolset>v145</PlatformToolset>
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<WholeProgramOptimization>true</WholeProgramOptimization>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>true</UseDebugLibraries>
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<PlatformToolset>v145</PlatformToolset>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>false</UseDebugLibraries>
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<PlatformToolset>v145</PlatformToolset>
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<WholeProgramOptimization>true</WholeProgramOptimization>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
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<ImportGroup Label="ExtensionSettings">
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</ImportGroup>
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<ImportGroup Label="Shared">
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<PropertyGroup Label="UserMacros" />
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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<LanguageStandard>stdcpp20</LanguageStandard>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<FunctionLevelLinking>true</FunctionLevelLinking>
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<IntrinsicFunctions>true</IntrinsicFunctions>
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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<LanguageStandard>stdcpp20</LanguageStandard>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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<LanguageStandard>stdcpp20</LanguageStandard>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<FunctionLevelLinking>true</FunctionLevelLinking>
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<IntrinsicFunctions>true</IntrinsicFunctions>
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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<LanguageStandard>stdcpp20</LanguageStandard>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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</ItemDefinitionGroup>
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<ItemGroup>
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<ClCompile Include="Day01.cpp" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\AdventHelpers\AdventHelpers.vcxproj">
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<Project>{df572ffd-18c6-4b8d-8d35-4855f9a05376}</Project>
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</ProjectReference>
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</ItemGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
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<ImportGroup Label="ExtensionTargets">
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</ImportGroup>
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</Project>
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22
2025/Cpp/Day01/Day01.vcxproj.filters
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22
2025/Cpp/Day01/Day01.vcxproj.filters
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@@ -0,0 +1,22 @@
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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<ItemGroup>
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<Filter Include="Source Files">
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<UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
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<Extensions>cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
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</Filter>
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<Filter Include="Header Files">
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<UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
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<Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
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</Filter>
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<Filter Include="Resource Files">
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<UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
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<Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
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</Filter>
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</ItemGroup>
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<ItemGroup>
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<ClCompile Include="Day01.cpp">
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<Filter>Source Files</Filter>
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</ClCompile>
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</ItemGroup>
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</Project>
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10
2025/Cpp/Day01/example-input.txt
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10
2025/Cpp/Day01/example-input.txt
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@@ -0,0 +1,10 @@
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L68
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L30
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R48
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L5
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R60
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L55
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L1
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L99
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R14
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L82
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4168
2025/Cpp/Day01/puzzle-input.txt
Normal file
4168
2025/Cpp/Day01/puzzle-input.txt
Normal file
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