usepackage{algorithm}
usepackage[noend]{algpseudocode}

algnewcommand{Inputs}[1]{%
State textbf{Inputs:}
Statex hspace*{algorithmicindent}parbox[t]{.9linewidth}{raggedright #1}
}
algnewcommand{Outputs}[1]{%
State textbf{Outputs:}
Statex hspace*{algorithmicindent}parbox[t]{.9linewidth}{raggedright #1}
}
algnewcommand{Compute}[1]{%
State textbf{Compute:}
hspace*{algorithmicindent}parbox[t]{.9linewidth}{raggedright #1}
}

begin{algorithm}
  begin{algorithmic}
    Inputs{$X$}
    Compute{
      For{i = 0 to I}
        State do sth in the loop
      EndFor
    }
    Outputs{$Y$}
  end{algorithmic}
end{algorithm}