\documentclass{article}
\usepackage[pdftex,active,tightpage]{preview}
\setlength\PreviewBorder{2mm}
\usepackage[utf8]{inputenc}
\usepackage[ngerman]{babel}
\usepackage[T1]{fontenc}
\usepackage{amssymb,amsmath,amsfonts}
\usepackage{braket}
\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}