\begin{algorithm} \caption{Young Find} \begin{algorithmic} \INPUT a $m \times n$ young matrix $Y$ and a $key$ to be found \OUTPUT true if $key \in Y$, otherwise false \STATE $i = m$ \STATE $j = 1$ \WHILE{$i \ge 1$ \AND $j \le n$} \IF{$Y[i, j] > key$} \STATE $i = i - 1$ \ELSEIF{$Y[i, j] < key$} \STATE $j = j + 1$ \ELSE \RETURN \TRUE \ENDIF \ENDWHILE \RETURN \FALSE \end{algorithmic} \end{algorithm}