Added CPP Part

.gitignore

@@ -1 +1,2 @@
 target
+build

cpp/CMakeLists.txt

@@ -0,0 +1,22 @@
+cmake_minimum_required(VERSION 3.22)
+# Global Variables
+set(TARGET aoc2022)
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+
+# Set the etape value
+set(DAY "1" CACHE STRING "Enter the day to compile.")
+
+# Get the sources and headers
+file(GLOB SOURCES "${PROJECT_SOURCE_DIR}/day${DAY}/src/*.cpp")
+add_executable(${TARGET} ${SOURCES})
+target_include_directories(${TARGET} PUBLIC "${PROJECT_SOURCE_DIR}/day${DAY}/include/")
+
+# Adding compilation option depending on the OS 
+if(MSVC)
+  target_compile_options(${TARGET} PUBLIC /W3 /WX /DEBUG )
+else()
+  target_compile_options(${TARGET} PUBLIC -Wall -Wextra -Wpedantic -Werror -lstdc++)
+endif()
+

cpp/day1/src/main.cpp

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+#include <iostream>
+
+int main()
+{
+    std::cout << "Bonjour Monde!" << std::endl;
+    return 0;
+}

cpp/run.bat

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+echo off
+cmake --build build
+cd build/Debug
+aoc2022.exe
+cd ../..

cpp/run.sh

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+#!/bin/bash
+
+cmake --build build
+"./build/aoc2022"