[Tex/LaTex] Undefined control sequence listings package

listingspackagestexmaker

I'm working with TexMaker and I can't compile my documents because it apears de problem "Indefined control sequence", with the \usepackage{listings}. How do I fix it? 

\documentclass[10pt]{article}

\usepackage{geometry}
\topmargin=15pt
\oddsidemargin=60pt
\textwidth=340pt
\textheight=545pt
\footskip=30pt

\usep­a­ck­age{list­ings}

\usepackage{fancyhdr}
\pagestyle{fancy}
\fancyhead{}
\fancyfoot{}
\rfoot{\thepage}

\usepackage[utf8]{inputenc}
\usepackage[spanish,activeacute]{babel}
\usepackage{marvosym}
\usepackage{lmodern}
\usepackage[T1]{fontenc}


\begin{document}


\begin{lstlisting}{Language={C++},caption= "Código en C++para resolver polinomios",frame=single,numbers=left]

 const int N = 10;

double resolver(double[] polinomio, double x) {
   double resultado = polinomio[0];
   double potencia = x;
   for (int i=1; i<N; i++) {
     resultado+=polinomio[i]*potencia;
     potencia = potencia*x;
   }
   return resultado;
}
\end{lstlisting}


\end{document}

Best Answer

There were several problems:

  • Some source code character problem in your \usepackage text.
  • The caption text was delimited by "
  • You used a ] instead of a } to close the parameter list of lstlisting.

The following works:

\documentclass[10pt]{article}

\usepackage{geometry}
\topmargin=15pt
\oddsidemargin=60pt
\textwidth=340pt
\textheight=545pt
\footskip=30pt

\usepackage{listings}

\usepackage{fancyhdr}
\pagestyle{fancy}
\fancyhead{}
\fancyfoot{}
\rfoot{\thepage}

\usepackage[utf8]{inputenc}
\usepackage[spanish,activeacute]{babel}
\usepackage{marvosym}
\usepackage{lmodern}
\usepackage[T1]{fontenc}


\begin{document}


\begin{lstlisting}{Language={C++},caption={Código en C++para resolver polinomios},frame=single,numbers=left}

 const int N = 10;

double resolver(double[] polinomio, double x) {
   double resultado = polinomio[0];
   double potencia = x;
   for (int i=1; i<N; i++) {
     resultado+=polinomio[i]*potencia;
     potencia = potencia*x;
   }
   return resultado;
}
\end{lstlisting}


\end{document}
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