\providecommand{\ntables}{7}\providecommand{\algatables}{\StrLeft{ HCMA}{\ntables}}\providecommand{\algbtables}{\StrLeft{ LSfminbnd posik noiseless}{\ntables}}\providecommand{\algctables}{\StrLeft{ LSstep posik noiseless}{\ntables}}
\begin{tabularx}{1.0\textwidth}{@{}c@{}|*{5}{@{}r@{}X@{}}|@{}r@{}@{}l@{}}
\#FEs/D & \multicolumn{2}{@{}c@{}}{0.5} & \multicolumn{2}{@{}c@{}}{1.2} & \multicolumn{2}{@{}c@{}}{3} & \multicolumn{2}{@{}c@{}}{10} & \multicolumn{2}{@{}c@{}}{50} & \multicolumn{2}{@{}l@{}}{\#succ}\\\hline
\textbf{f18} & \multicolumn{2}{@{}c@{}}{\textit{4.0e+1}:11 \quad} & \multicolumn{2}{@{}c@{}}{\textit{2.5e+1}:56 \quad} & \multicolumn{2}{@{}c@{}}{\textit{1.6e+1}:172 \quad} & \multicolumn{2}{@{}c@{}}{\textit{1.6e+1}:172 \quad} & \multicolumn{2}{@{}c@{}|}{\textit{2.5e+0}:561 } & 15 & /15\\
\algatables\hspace*{\fill} & \textbf{3} & \textbf{.8}\mbox{\tiny (3)} & \textbf{2} & \textbf{.5}\mbox{\tiny (3)} & \textbf{1} & \textbf{.6}\mbox{\tiny (0.7)} & \textbf{1} & \textbf{.6}\mbox{\tiny (0.8)} & \textbf{2} & \textbf{.6}\mbox{\tiny (5)}$^{\star4}$ & 15 & /15\\
\algbtables\hspace*{\fill} & 101 & \mbox{\tiny (244)} & 122 & \mbox{\tiny (241)} & 141 & \mbox{\tiny (256)} & 141 & \mbox{\tiny (256)} & 2535 & \mbox{\tiny (2894)} & 1 & /15\\
\algctables\hspace*{\fill} & 1014 & \mbox{\tiny (350)} & 1122 & \mbox{\tiny (2257)} & 925 & \mbox{\tiny (1172)} & 925 & \mbox{\tiny (597)} & \multicolumn{2}{@{\,}X@{\,}|}{$\infty$\,\textit{1e5}} & 0 & /15
\end{tabularx}