How to align algorithm2e with text outside?

Question

I am having trouble aligning my algorithm with the text outside of it. Here is an example:

\documentclass[11pt]{article}
\pagestyle{empty}

\oddsidemargin -0.25in
\textwidth 7.0in         
\topmargin 0.0in
\headheight 0.0in
\headsep 0.0in
\topskip 0.0in
\footskip 0.4in
\textheight 8.8in         

\usepackage{amsthm}
\usepackage{amsmath}
\usepackage{amssymb}
\usepackage{mathtools}
\usepackage{graphicx}  %for including .jpeg files
\usepackage[algoruled,vlined,linesnumbered]{algorithm2e}
\usepackage{verbatim}
\usepackage{enumitem}
\usepackage{float}
\usepackage{amstext} % for \text macro
\usepackage{array}   % for \newcolumntype macro

\begin{document}
\begin{enumerate}
  \item 
    \begin{enumerate}
      \item Some text describing the algorithm Some text describing the algorithm Some text describing the algorithm Some text describing the algorithm
        \begin{figure}[h]
          \centering
          \begin{minipage}[h]{0.7\linewidth}
            \begin{algorithm}[H]
              \caption{\textsc{Some Algo}($I$)}
              \SetKwInOut{Input}{input}
              \SetKwInOut{Output}{output}
              \SetCustomAlgoRuledWidth{1cm}
              \SetAlgoLined
              \DontPrintSemicolon
              \SetArgSty{textnormal}

              \Input{Some input description.}
              \Output{Some output description.} 

              \For{$i \leftarrow 1$ to $n$} {
                Do something \;
              }
            \end{algorithm}
          \end{minipage}
        \end{figure}

        Some text describing the algorithm Some text describing the algorithm Some text describing the algorithm Some text describing the algorithm
        \begin{figure}[h]
          \centering
          \begin{minipage}[h]{0.9\linewidth}
            \begin{algorithm}[H]
              \caption{\textsc{Some Algo}($I$)}
              \SetKwInOut{Input}{input}
              \SetKwInOut{Output}{output}
              \SetCustomAlgoRuledWidth{1cm}
              \SetAlgoLined
              \DontPrintSemicolon
              \SetArgSty{textnormal}

              \Input{Some input description.}
              \Output{Some output description.} 

              \For{$i \leftarrow 1$ to $n$} {
                Do something \;
              }
            \end{algorithm}
          \end{minipage}
        \end{figure}
    \end{enumerate}
\end{enumerate}
\end{document}

which produces the following:

In both cases, the text outside of the algorithm is not aligned horizontally (to the left) with the start of the algorithm. Could someone give me some advice about this?

Rather use geometry to set the page layout/geometry, instead of setting margin lengths manually. — Werner
– Werner ♦, Commented Apr 8, 2020 at 19:02

Werner · Accepted Answer · 2020-04-08 19:01:03Z

You're doing it wrong. Instead of placing the algorithm inside a float and requesting it to stay in-place, just use the algorithm environment with the Here float specifier. If you want the algorithm to be narrower than the remainder of the text block, then you can wrap it inside a minipage (like you've already done).

\documentclass{article}

\usepackage[algoruled,vlined,linesnumbered]{algorithm2e}

\begin{document}

\begin{enumerate}
  \item 
  \begin{enumerate}
    \item Some text describing the algorithm Some text describing the algorithm Some text describing the algorithm Some text describing the algorithm

    \begin{minipage}{0.7\linewidth}
      \begin{algorithm}[H]
        \caption{\textsc{Some Algo}($I$)}
        \SetKwInOut{Input}{input}
        \SetKwInOut{Output}{output}
        \SetCustomAlgoRuledWidth{1cm}
        \SetAlgoLined
        \DontPrintSemicolon
        \SetArgSty{textnormal}

        \Input{Some input description.}
        \Output{Some output description.} 

        \For{$i \leftarrow 1$ to $n$} {
          Do something \;
        }
      \end{algorithm}
    \end{minipage}

    Some text describing the algorithm Some text describing the algorithm Some text describing the algorithm Some text describing the algorithm

    \begin{minipage}[h]{0.9\linewidth}
      \begin{algorithm}[H]
        \caption{\textsc{Some Algo}($I$)}
        \SetKwInOut{Input}{input}
        \SetKwInOut{Output}{output}
        \SetCustomAlgoRuledWidth{1cm}
        \SetAlgoLined
        \DontPrintSemicolon
        \SetArgSty{textnormal}

        \Input{Some input description.}
        \Output{Some output description.} 

        \For{$i \leftarrow 1$ to $n$} {
          Do something \;
        }
      \end{algorithm}
    \end{minipage}
  \end{enumerate}
\end{enumerate}

\end{document}

Thank you! i wrapped it all in a figure environment hoping it would help with alignment but it really didn't. Clearly, less is more — coolboy124
– coolboy124, Commented Apr 8, 2020 at 19:30

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