\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{f23} & \multicolumn{2}{@{}c@{}}{\textit{4.0e+1}:1.5 \quad} & \multicolumn{2}{@{}c@{}}{\textit{2.5e+1}:2.6 \quad} & \multicolumn{2}{@{}c@{}}{\textit{1.0e+1}:7.8 \quad} & \multicolumn{2}{@{}c@{}}{\textit{4.0e+0}:55 \quad} & \multicolumn{2}{@{}c@{}|}{\textit{2.5e+0}:103 } & 5 & /5\\
\algatables\hspace*{\fill} & 1 & .9\mbox{\tiny (3)} & 2 & .4\mbox{\tiny (2)} & 2 & .4\mbox{\tiny (2)} & 2 & .0\mbox{\tiny (1)} & 3 & .3\mbox{\tiny (4)} & 15 & /15\\
\algbtables\hspace*{\fill} & \textbf{1} & \textbf{.1}\mbox{\tiny (0.5)} & 1 & .1\mbox{\tiny (1)} & \textbf{1} & \textbf{.3}\mbox{\tiny (0.8)} & \textbf{1} & \textbf{}\mbox{\tiny (0.9)} & \textbf{1} & \textbf{.2}\mbox{\tiny (0.2)}$^{\star}$ & 15 & /15\\
\algctables\hspace*{\fill} & 1 & .1\mbox{\tiny (0.7)} & \textbf{1} & \textbf{.1}\mbox{\tiny (1.0)} & 2 & .6\mbox{\tiny (1)} & 3 & .7\mbox{\tiny (5)} & 3 & .6\mbox{\tiny (6)} & 15 & /15
\end{tabularx}