algorithmic and algorithm

algorithm encapsulates algorithmic, and has options of being boxed ruled or plain. However once algorithm package is loaded, the option settings are global to the entire package

\usepackage{algorithm}[boxed]

and then whenever you create an algorithm code

\begin{algorithm}
\caption{XOXO}
\label{XOXO}
\begin{algorithmic}[1]
.
.
.

\end{algorithmic}
\end{algorithm}