Answers for "how to write pseudo code in latex"

latex how to write algorithm pseudocode

% in the header:
% usepackage{algorithm}
% usepackage{algpseudocode}

% in the  body:
begin{algorithm}
  caption{Euclid’s algorithm}
  label{euclid}
  begin{algorithmic}[1]
    Require $xge5$
    Ensure $xle-5$
    Function{Euclid}{$a,b$}
      Comment{The g.c.d. of a and b}
      State $rgets abmod b$
      While{$r neq 0$}
        Comment{We have the answer if r is 0}
        State $agets b$
        State $bgets r$
        State $rgets abmod b$
      EndWhile
      label{euclidendwhile}
      State Return{$b$}
      Comment{The gcd is b}
    EndFunction
  end{algorithmic}
end{algorithm}

using latex to write algorithm

begin{program}
mbox{A fast exponentiation procedure:}
BEGIN \ %
  FOR i:=1 TO 10 STEP 1 DO
     |expt|(2,i); \ |newline|() OD %
rcomment{This text will be set flush to the right margin}
WHERE
PROC |expt|(x,n) BODY
          z:=1;
          DO IF n=0 THEN EXIT FI;
             DO IF |odd|(n) THEN EXIT FI;
COMMENT{This is a comment statement};
                n:=n/2; x:=x*x OD;
             { n>0 };
             n:=n-1; z:=z*x OD;
          |print|(z) ENDPROC
END
end{program}