40 \newcommand{\defn}[1]{\textit{\textbf{#1}}}

    40 \newcommand{\defn}[1]{\textit{\textbf{#1}}}

    41 \newcommand{\dq}[1]{\mbox{\tt{"}}#1\mbox{\tt{"}}}

    41 \newcommand{\dq}[1]{\mbox{\tt{"}}#1\mbox{\tt{"}}}

    42 

    42 

    43 \definecolor{codegray}{gray}{0.9}

    43 \definecolor{codegray}{gray}{0.9}

    44 

    44 

    45 \newcommand{\HEADER}{{\bf Please submit your solutions via email. Please submit 

    49 \newcommand{\HEADER}{{\bf Please submit your solutions via email. Please submit 

    46 only ASCII text or PDFs. Every solution should be preceeded by the corresponding 

    50 only ASCII text or PDFs. Every solution should be preceeded by the corresponding 

    47 question, like:

    51 question, like:

    48 

    52 

    49 \begin{center}

    53 \begin{center}