我在显示注释时遇到问题，我希望注释显示在第二个和第三个 if 语句中的“then”的右边，而我得到的结果却是这样的。
\documentclass[sigconf,review]{acmart}
\usepackage{algorithmic}
\usepackage{fixltx2e}
\usepackage{algorithm}
\usepackage{enumitem}
\usepackage{booktabs, makecell, multirow, tabularx}
\newcommand{\mh}[1]{
{\color{green!70!black} MH: #1}}
\newcommand{\cmd}[1]{
{\color{blue} CMD: #1}}
\newcommand{\rev}[1]{
{\color{purple} REV: #1}}
\newcommand\mytab[1]{\begin{tabular}[t]{@{}c@{}} #1 \end{tabular}}
\newcommand\mc[2]{\multicolumn{#1}{c}{#2}}
\renewcommand{\algorithmiccomment}[1]{//#1}
%%
%% \BibTeX command to typeset BibTeX logo in the docs
%% Rights management information. This information is sent to you
%% when you complete the rights form. These commands have SAMPLE
%% values in them; it is your responsibility as an author to replace
%% the commands and values with those provided to you when you
%% complete the rights form.
%\setcopyright{acmcopyright}
%\copyrightyear{2018}
%\acmYear{2018}
%\acmDOI{10.1145/1122445.1122456}
%
%%% These commands are for a PROCEEDINGS abstract or paper.
%\acmConference[Woodstock '18]{Woodstock '18: ACM Symposium on Neural
% Gaze Detection}{June 03--05, 2018}{Woodstock, NY}
%\acmBooktitle{Woodstock '18: ACM Symposium on Neural Gaze Detection,
% June 03--05, 2018, Woodstock, NY}
%\acmPrice{15.00}
%\acmISBN{978-1-4503-9999-9/18/06}
%%
%% Submission ID.
%% Use this when submitting an article to a sponsored event. You'll
%% receive a unique submission ID from the organizers
%% of the event, and this ID should be used as the parameter to this command.
%%\acmSubmissionID{123-A56-BU3}
%%
%% The majority of ACM publications use numbered citations and
%% references. The command \citestyle{authoryear} switches to the
%% "author year" style.
%%
%% If you are preparing content for an event
%% sponsored by ACM SIGGRAPH, you must use the "author year" style of
%% citations and references.
%% Uncommenting
%% the next command will enable that style.
%%\citestyle{acmauthoryear}
%%
\usepackage{titlesec}
\titlespacing{\subsection}{0pc}{0.5pc}{0pc}
\titlespacing{\subsubsection}{0pc}{0pc}{0pc}
\begin{document}
\begin{algorithm}
\caption{Step 4-T Propagation}
\begin{algorithmic}[1]
\raggedright
\STATE \textbf{do}
\FORALL{r in requirements}
\FORALL{m in methods}
\IF {rtm[m,r]==U}
\IF {
m.callees.isEmpty() \hfill\COMMENT{\textit{Leaf}}
\newline
\AND atLeast1T(rtm[m.callers,r])
}
\STATE rtm[m,r]=T
\ELSIF {allTs(rtm[m.callers,r]))\hfill\COMMENT{\textit{Default}}}
\STATE rtm[m,r]=T
\ELSIF {allTs(rtm[m.callees,r]))\hfill\COMMENT{\textit{Default}}}
\STATE rtm[m,r]=T
\ENDIF
\ENDIF
\ENDFOR
\ENDFOR
\STATE ~\textbf{until no more predictions are made}
\end{algorithmic}
\label{step4}
\end{algorithm}
\end{document}
答案1
algorithmic's\ELSIF[<comment>]{<condition>}有两个参数，第一个是可选的。下面我已更新\algorithmiccomment以符合您建议的风格，并且还使用了\REPEAT...\UNTIL{<condition>}子句来模拟您的逐字做...直到子句。前者提供了正确的缩进，而您的却没有。
\documentclass[sigconf,review]{acmart}
\usepackage{algorithm,algorithmic}
\renewcommand{\algorithmiccomment}[1]{\hfill // \textit{#1}}
\newcommand{\rtm}[1][m,r]{\text{rtm\textsubscript{m}[\text{#1}]}}
\begin{document}
\begin{algorithm}
\caption{Step 4-T Propagation}
\begin{algorithmic}[1]
\raggedright
\REPEAT
\FORALL{r in requirements}
\FORALL{m in methods}
\IF{$\rtm = U$}
\IF{
(m.callees.isEmpty() \COMMENT{Leaf}
\newline
\AND atLeast1T(\rtm[m.callers,r]))
}
\STATE $\rtm = T$
\ELSIF[First comment]{allTs(\rtm[m.callers,r]))}
\STATE $\rtm = T$
\ELSIF[Second comment]{allTs(\rtm[m.callees,r]))}
\STATE $\rtm = T$
\ENDIF
\ENDIF
\ENDFOR
\ENDFOR
\UNTIL{no more predictions are made}
\end{algorithmic}
\end{algorithm}
\end{document}