! Extra }, or forgotten \endgroup.
\endalgorithm ...nalty }\@Esphack \fi \fi \egroup
l.23 \end{algorithm}
I've deleted a group-closing symbol because it seems to be
spurious, as in `'$x}$'`. But perhaps the `}` is legitimate and
you forgot something else, as in `\hbox{$x}`. In such cases
the way to recover is to insert both the forgotten and the
deleted material, e.g., by typing `'I$}'`.
! LaTeX Error: \begin{algorithm} on input line 9 ended by \end{document}.
See the LaTeX manual or LaTeX Companion for explanation.
Type H <return> for immediate help.
...
l.26 \end{document}
女士：
\documentclass[10pt, a4paper]{article}
\usepackage{algorithm}
\usepackage{algpseudocode}
%---------------------------------------------------------------------------
\begin{document}
bla bla bla
\begin{algorithm}
\caption{Função Métrica para o BRKGA}
\label{alg:metric}
\begin{algorithmic}[1]
\State $\mathit{\textbf{Metrica}( \alpha, \beta , cromos, peso\_min)}$
\State $MomInicio \gets CalcularInicio(cromos)$;
\State $Antec \gets calcAntecip(cromos, MomInicio);$
\If{$max(DifCiclos) >1$}
\State \textbf{retornar} $\infty$;
\EndIf
\State $PesoPedTQ \gets CalculaPesoTQ(cromos)$;
\State $QtdPedLamin \gets ContarPedidosLamin(cromos)$;
\State $Metrica = \alpha Antec + \beta Atras + (TL + TE + QtdPedTQ + DifCiclos + QtdPedLamin) $;
\end{algorithmic}
\end{algorithm}
\end{document}