some commands in Latex

commands.tex

% replace Require and Ensure with Input and Output, in algorithmic package
\renewcommand{\algorithmicrequire}{\textbf{Input:}}
\renewcommand{\algorithmicensure}{\textbf{Output:}}

% superscript and subscript commands
\newcommand{\superscript}[1]{\ensuremath{^{\textrm{#1}}}}
\newcommand{\subscript}[1]{\ensuremath{_{\textrm{#1}}}}

% command to generate inline red comment
\newcommand{\RedComment}[1]{{\bf \color{red}{Comment: #1}}}