\documentclass[UTF8,a4paper,twocolumn]{ctexart}
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\sethead{无42 林子恒 2014011054}{通信与网络 第七周编程作业}{page \thepage\ of \pageref{LastPage}} %设置页眉
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stringstyle=\color{purple},
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\author{无42 林子恒 2014011054}
\title{通信与网络 第七周编程作业}
\date{2016.11.1}
\CTEXsetup[format={\Large\bfseries}]{section}
\begin{document}
\maketitle
\thispagestyle{empty}
%% content
\tableofcontents
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% sections for contents
\section{Problems}
\subsection{subsection}
%% List
\begin{enumerate}
\item a
\item b
\end{enumerate}
%% new page
\newpage
%% code
\begin{lstlisting}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% real_QAM_receiver(received_signal, plot_received_signal_or_not, plot_eye_or_not)
% Input:
% received_signal
% plot_eye_or_not: 1 to plot
% output:
% [recovered_x, recovered_y, judged_x, judged_y]
\end{lstlisting}
%% figure
% \begin{figure}[H]
% \begin{minipage}[H]{1\linewidth}
% \centering
% \subfigure[Sent In-phase Signal]{\includegraphics[width=9cm]{../figure/complex_sent_inphase.png}}
% \subfigure[Received In-phase Signal]{\includegraphics[width=9cm]{../figure/complex_received_inphase.png}}
% \end{minipage}
% \end{figure}
\end{document}