\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{f8} & \multicolumn{2}{@{}c@{}}{\textit{1.0e+4}:4.6 \quad} & \multicolumn{2}{@{}c@{}}{\textit{6.3e+3}:6.8 \quad} & \multicolumn{2}{@{}c@{}}{\textit{1.0e+3}:18 \quad} & \multicolumn{2}{@{}c@{}}{\textit{6.3e+1}:54 \quad} & \multicolumn{2}{@{}c@{}|}{\textit{1.6e+0}:258 } & 15 & /15\\
\algatables\hspace*{\fill} & \textbf{1} & \textbf{.8}\mbox{\tiny (1)} & \textbf{1} & \textbf{.4}\mbox{\tiny (0.9)} & \textbf{0} & \textbf{.85}\mbox{\tiny (0.1)}$^{\star2}$ & \textbf{1} & \textbf{.2}\mbox{\tiny (2)}$^{\star2}$ & \textbf{2} & \textbf{.3}\mbox{\tiny (0.9)} & 15 & /15\\
\algbtables\hspace*{\fill} & 10 & \mbox{\tiny (9)} & 7 & .7\mbox{\tiny (6)} & 5 & .5\mbox{\tiny (5)} & 12 & \mbox{\tiny (21)} & 292 & \mbox{\tiny (630)} & 6 & /15\\
\algctables\hspace*{\fill} & 126 & \mbox{\tiny (174)} & 109 & \mbox{\tiny (118)} & 78 & \mbox{\tiny (79)} & 56 & \mbox{\tiny (26)} & 73 & \mbox{\tiny (103)} & 12 & /15
\end{tabularx}