Visual C++ 2019 Guide

std::vector<int> data(1'000'000); std::generate(data.begin(), data.end(), []() return rand() % 100; );

Set environment manually:

# Compile a simple program cl /EHsc /std:c++17 /W4 main.cpp cl /EHsc /std:c++17 /O2 /Zi main.cpp /Fe:myapp.exe For x64 (if using x86 prompt) cl /EHsc /std:c++17 /arch:AVX2 main.cpp visual c++ 2019

"C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvarsall.bat" x64 // Requires /std:c++17 or /std:c++latest #include <iostream> #include <vector> #include <algorithm> #include <execution> // parallel algorithms #include <filesystem> #include <format> // C++20, /std:c++latest int main() { std::filesystem::create_directory("test_dir"); std::vector&lt;int&gt; data(1'000'000); std::generate(data