[Tex/LaTex] Divide algorithm in two parts without incrementation of version

algorithmicalgorithms

This is my code:

\documentclass{article}
\usepackage[paperheight=6\baselineskip]{geometry}% just for the example
\usepackage{algorithm}
\usepackage{algcompatible}

\begin{document}

\begin{algorithm}[H]
\caption{My algo}
\begin{algorithmic}[1]
\STATE instruction 1
\STATE instruction 2
\algstore{testcont} 
\end{algorithmic}
\end{algorithm}

\begin{algorithm}[H]
\caption{My algo - Part 2}
\begin{algorithmic}[1]
\algrestore{testcont} 
\STATE instruction 3
\STATE instruction 4
\end{algorithmic} 
\end{algorithm}
\end{document}

It diplay:

Algorithm1 My algo and Algorithm2 My algo - Part 2

Please, i ask how can i have:

 Algorithm1 My algo and Algorithm1 My algo - Part 2

without incrementation ?

Thank you

Best Answer

use 

\begin{algorithm}[H]
\caption{My algo}
\begin{algorithmic}[1]
\STATE instruction 1
\STATE instruction 2
\algstore{testcont} 
\end{algorithmic}
\addtocounter{algorithm}{-1}%% <===
\end{algorithm}

for the first algorithm

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