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%%
%% The LaTeX Graphics Companion, 2ed (first printing May 2007)
%%
%% Example 11-4-33 on page 791.
%%
%% Copyright (C) 2007 Michel Goossens, Frank Mittelbach, Denis Roegel, Sebastian Rahtz, Herbert Vo\ss
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3
%% of this license or (at your option) any later version.
%%
%% See http://www.latex-project.org/lppl.txt for details.
%%
% Show page(s) 1,2,3,4
\documentclass{ttctbeamer}
% graphic converted to gray in book
\StartShownPreambleCommands
\documentclass{beamer}
\usetheme{Malmoe}
\useoutertheme{sidebar}
\usecolortheme{dove}
\StopShownPreambleCommands
\begin{document}
\begin{frame}[fragile]
\frametitle{An Algorithm For Finding Prime Numbers.}
\framesubtitle{Use of semiverbatim}
\setbeamercolor{alerted text}{fg=blue}
\begin{semiverbatim}
\uncover<1->{\alert<0>{int main (void)}}
\uncover<1->{\alert<0>{\{}}
\uncover<1->{\alert<1>{ \alert<4>{\color{red}std::}vector<bool> is_prime (100, true);}}
\uncover<1->{\alert<1>{ for (int i = 2; i < 100; i++)}}
\uncover<2->{\alert<2>{ if (is_prime[i])}}
\uncover<2->{\alert<0>{ \{}}
\uncover<3->{\alert<3>{ \alert<4>{\color{red}std::}cout << i << " ";}}
\uncover<3->{\alert<3>{ for (int j = i; j < 100;}}
\uncover<3->{\alert<3>{ is_prime [j] = false, j+=i);}}
\uncover<2->{\alert<0>{ \}}}
\uncover<1->{\alert<0>{ return 0;}}
\uncover<1->{\alert<0>{\}}}
\end{semiverbatim}
\visible<4>{Note the use of \alert{\color{red}\texttt{std::}}.}
\end{frame}
\end{document}
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