\documentclass{article}
\usepackage[pdftex,active,tightpage]{preview}
\setlength\PreviewBorder{2mm}

\usepackage[utf8]{inputenc} % this is needed for umlauts
\usepackage[ngerman]{babel} % this is needed for umlauts
\usepackage[T1]{fontenc}    % this is needed for correct output of umlauts in pdf
\usepackage{amssymb,amsmath,amsfonts} % nice math rendering
\usepackage{braket} % needed for \Set
\usepackage{algorithm,algpseudocode}

\begin{document}
\begin{preview}
    This is a 'samle' with some "quotes".

    \begin{algorithm}[H]
        \begin{algorithmic}
            \State $a \gets \Call{map}{~}$
            \State $a['x'] \gets 42$
            \State $a["x"] \gets 1337$
        \end{algorithmic}
    \caption{Algorithmus von Stoer und Wanger}
    \label{alg:seq1}
    \end{algorithm}
\end{preview}
\end{document}