\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{f20} & \multicolumn{2}{@{}c@{}}{\textit{6.3e+3}:5.1 \quad} & \multicolumn{2}{@{}c@{}}{\textit{4.0e+3}:8.4 \quad} & \multicolumn{2}{@{}c@{}}{\textit{4.0e+1}:15 \quad} & \multicolumn{2}{@{}c@{}}{\textit{2.5e+0}:69 \quad} & \multicolumn{2}{@{}c@{}|}{\textit{1.0e+0}:851 } & 15 & /15\\
\algatables\hspace*{\fill} & \textbf{1} & \textbf{.7}\mbox{\tiny (1)}$^{\star}$ & \textbf{1} & \textbf{.3}\mbox{\tiny (0.4)}$^{\star}$ & \textbf{0} & \textbf{.90}\mbox{\tiny (0.6)}$^{\star}$ & \textbf{1} & \textbf{.2}\mbox{\tiny (1)} & \textbf{5} & \textbf{.2}\mbox{\tiny (6)} & 15 & /15\\
\algbtables\hspace*{\fill} & 7 & .1\mbox{\tiny (6)} & 5 & .2\mbox{\tiny (3)} & 7 & .2\mbox{\tiny (6)} & 2 & .9\mbox{\tiny (1.0)} & 18 & \mbox{\tiny (23)} & 14 & /15\\
\algctables\hspace*{\fill} & 172 & \mbox{\tiny (156)} & 115 & \mbox{\tiny (83)} & 208 & \mbox{\tiny (105)} & 83 & \mbox{\tiny (41)} & 41 & \mbox{\tiny (48)} & 11 & /15
\end{tabularx}