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将两个算法放入两列

tag-icon • tag-icon two-column algorithms algorithmic
将两个算法放入两列

我有单列页面。我想将我的两个算法添加到两列中。我该怎么做？我的算法如下。

\begin{algorithm}[h]
\caption{Resolve 1}
\begin{algorithmic}
\scriptsize
\STATE $ P_i $ sends $ id,t_1,t_2,P_j,h_j $ to TTP where $ P_j $ is the party that does not send $ V_j^{(2)} $ to $ P_i $, TTP does the following and sends the returned message to $P_i$:

\IF{$ currenttime > t_1 $}
\STATE \textbf{send} $ msg $ ``Abort Resolve 1"
\ELSE
\IF { Search($ id, t_1, t_2 $) == NULL }
    \STATE \lst = Create($ id, t_1, t_2 $) 
    \STATE \slst = Create($ id, t_1, t_2 $)
    \STATE \lst.add($ P_i, (P_j,h_j) $) 
    \STATE \textbf{send} $ msg $ ``Come after $ t_2 $"
\ELSE 
    \STATE \lst.add($ P_i, (P_j,h_j $)) 
    \STATE \textbf{send} $ msg $ ``Come after $ t_2 $"
\ENDIF
  \ENDIF
  \end{algorithmic}
  \end{algorithm}

\begin{algorithm}[h]
\caption{Resolve 3}
\begin{algorithmic}
\scriptsize
\STATE $ P_i $ comes either to receive decryption of a $ \{V^(2)_t\}_{t \in M} $ where $ M \subseteq N $ or his desired decryption shares from TTP's record.
\STATE $ condition $  =  \lst.isEmpty()
\IF {$ condition $ is false }
\STATE \textbf{send} msg ``Protocol is aborted"
\ELSE
\IF {$ P_i $ give $\{V^(2)_t\}_{t \in M} $}
    \FORALL {$ t $ in $ M $}
        \STATE \textbf{send} Decrypt($ sk, V^(2)_t $)
    \ENDFOR 
\ELSE 
    \FORALL {$ t $ in $ \slst $ as $ (P_i, shares_t) $}
    \STATE \textbf{send} $ shares_t $
    \ENDFOR
\ENDIF
\ENDIF

\end{algorithmic}
\end{algorithm}

答案1

你的意思是像这样吗？我在算法之间使用了mulitcolsinsidealgorithmic和 a \columnbreak。请注意，只有一个 caption 命令可用。

示例输出

\documentclass{article}

\usepackage{algorithm,algorithmic,multicol}

\begin{document}

\begin{algorithm}[h]
  \caption{Resolve 1 and 3}
  \begin{multicols}{2}
    \begin{algorithmic}
      \scriptsize
      \STATE $ P_i $ sends $ id,t_1,t_2,P_j,h_j $ to TTP where $ P_j $ is the party that does not send $ V_j^{(2)} $ to $ P_i $, TTP does the following and sends the returned message to $P_i$:

      \IF{$ currenttime > t_1 $}
      \STATE \textbf{send} $ msg $ ``Abort Resolve 1"
      \ELSE
      \IF { Search($ id, t_1, t_2 $) == NULL }
      \STATE lst = Create($ id, t_1, t_2 $) 
      \STATE slst = Create($ id, t_1, t_2 $)
      \STATE lst.add($ P_i, (P_j,h_j) $) 
      \STATE \textbf{send} $ msg $ ``Come after $ t_2 $"
      \ELSE 
      \STATE logical lst.add($ P_i, (P_j,h_j $)) 
      \STATE \textbf{send} $ msg $ ``Come after $ t_2 $"
      \ENDIF
      \ENDIF
    \end{algorithmic}
    \columnbreak
    \begin{algorithmic}
      \scriptsize
      \STATE $ P_i $ comes either to receive decryption of a $ \{V^(2)_t\}_{t \in M} $ where $ M \subseteq N $ or his desired decryption shares from TTP's record.
      \STATE $ condition $  =  lst.isEmpty()
      \IF {$ condition $ is false }
      \STATE \textbf{send} msg `Code` 
      `Protocol is aborted"
      \ELSE
      \IF {$ P_i $ give $\{V^(2)_t\}_{t \in M} $}
      \FORALL {$ t $ in $ M $}
      \STATE \textbf{send} Decrypt($ sk, V^(2)_t $)
      \ENDFOR 
      \ELSE 
      \FORALL {$ t $ in $ slst $ as $ (P_i, shares_t) $}
      \STATE \textbf{send} $ shares_t $
      \ENDFOR
      \ENDIF
      \ENDIF
    \end{algorithmic}
  \end{multicols}
\end{algorithm}

\end{document}

答案2

将每个元素放在单独的框中是并排显示的另一种方式：

在此处输入图片描述

\documentclass{article}
\usepackage[margin=1in]{geometry}% Just for this example
\usepackage{algorithm,algcompatible,lipsum}
\algnewcommand{\lst}{\texttt{lst}}
\algnewcommand{\slst}{\texttt{slst}}
\algnewcommand{\SEND}{\textbf{send}}

\newsavebox{\algleft}
\newsavebox{\algright}

\savebox{\algleft}{%
\begin{minipage}{.49\textwidth}
  \begin{algorithm}[H]
    \caption{Resolve 1}
    \begin{algorithmic}
      \scriptsize
      \STATE $ P_i $ sends $ id,t_1,t_2,P_j,h_j $ to TTP where $ P_j $ is the party that does not send $ V_j^{(2)} $ to $ P_i $, TTP does the following and sends the returned message to $P_i$:
      \IF{$ \mbox{currenttime} > t_1 $}
        \STATE \SEND{} msg ``Abort Resolve 1''
        \ELSE
        \IF { Search($ id, t_1, t_2 $) == NULL }
          \STATE \lst{} = Create($ id, t_1, t_2 $) 
          \STATE \slst{} = Create($ id, t_1, t_2 $)
          \STATE \lst.add($ P_i, (P_j,h_j) $) 
          \STATE \SEND{} msg ``Come after $ t_2 $''
        \ELSE 
          \STATE \lst.add($ P_i, (P_j,h_j $)) 
          \STATE \SEND{} msg ``Come after $ t_2 $''
        \ENDIF
      \ENDIF
    \end{algorithmic}
  \end{algorithm}%
\end{minipage}}%
\savebox{\algright}{%
\begin{minipage}{.49\textwidth}
  \begin{algorithm}[H]
    \caption{Resolve 3}
    \begin{algorithmic}
      \scriptsize
      \STATE $ P_i $ comes either to receive decryption of a $ \{V^{(2)}_t\}_{t \in M} $ where $ M \subseteq N $ or his desired decryption shares from TTP's record.
      \STATE $ \mbox{condition} $  =  \lst.isEmpty()
      \IF {$ \mbox{condition} $ is false }
        \STATE \SEND{} msg ``Protocol is aborted''
        \ELSE
        \IF {$ P_i $ give $\{V^{(2)}_t\}_{t \in M} $}
          \FORALL {$ t $ in $ M $}
            \STATE \SEND{} Decrypt($ sk, V^{(2)}_t $)
          \ENDFOR 
        \ELSE 
          \FORALL {$ t $ in $ \slst $ as $ (P_i, \mbox{shares}_t) $}
          \STATE \SEND{} $ \mbox{shares}\_t $
          \ENDFOR
        \ENDIF
      \ENDIF
    \end{algorithmic}
  \end{algorithm}
\end{minipage}}%

\begin{document}

\lipsum[2]

\noindent\usebox{\algleft}\hfill\usebox{\algright}%

\medskip

\lipsum[2]

\end{document}

答案3

一种选择是使用以下multicol包：

\documentclass[a4paper]{article}

\usepackage{multicol}

\begin{document}

single column text...

\begin{multicols}{2}
  algorithm 1
  algorithm 2
\end{multicols}

single column text...

\end{document}

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