LaTeX algorithm typesetting

method one

Need to be included

\usepackage[noend]{algpseudocode}

\usepackage{algorithmicx,algorithm}

Source code

\begin{algorithm}[t]
\caption{algorithm caption}The name of the algorithm
\hspace*{0.02in} {\bf Input:}The input of the% algorithm, \ hspace * {0.02in} is used to control the position, while using \\
input parameters A, B, C\\
\hspace*{0.02in} {\bf Output:}% Algorithm output
output result
\begin{algorithmic}[1]
\StateWrite some general statements after some description% \ State
\For{condition}The% For statement, which needs to correspond to EndFor
　　\State ...
　　\If{condition}% If statement, need to correspond to EndIf
　　　　\State ...
　　\Else
　　　　\State ...
　　\EndIf
\EndFor
\While{condition}% While statement, need to correspond to EndWhile
　　\State ...
\EndWhile
\State \Return result
\end{algorithmic}
\end{algorithm}

Results screenshot

Note

1. The capitalization of keywords, otherwise Undefined control sequence will appear.

2. The control flow should correspond back and forth. If there is While, but there is no EndWhile, otherwise Some blocks are not closed.

Method 2

Need to be included

\usepackage[ruled]{algorithm2e}

Source code

\begin{algorithm}[H]
\caption{algorithm caption}% Algorithm name
\LinesNumbered% Requires a line number to be displayed
\KwIn{input parameters A, B, C}%Input parameters
\KwOut{output result}% Output
some description\;% \; For line breaks
\For{condition}{
　　only if\;
　　\If{condition}{
　　　　1\;
　　}
}
\While{not at end of this document}{
　　if and else\;
　　\eIf{condition}{
　　　　1\;
　　}{
　　　　2\;
　　}
}
\ForEach{condition}{
　　\If{condition}{
　　　　1\;
　　}
}
\end{algorithm}

Results screenshot

Method three

Need to be included

\usepackage[ruled,vlined]{algorithm2e}

Source code

Same method two

Results screenshot

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