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Hello, does anyone have any idea on how to accomplish this?

Hello! I am faced with rendering the following pseudocode to LaTeX:

0SWfJCYy.png

This is my attempt in LaTeX (for convenience, it has been translated into English):


\documentclass{article}
\usepackage[vlined]{algorithm2e}

\makeatletter
\renewcommand{\algocf@Hlne}{%
\rule{.5em}{.4pt ...