153     \multicolumn{2}{c}{\Large\textbf{https://pollev.com/cfltutoratki576}}\\

   182     \multicolumn{2}{c}{\Large\textbf{https://pollev.com/cfltutoratki576}}\\[2cm]

   183     \textcolor{red}{Scala Install Clinic:} & \textcolor{red}{This evening at 17:00 (online)}\\

   188 \begin{frame}[c]

   218 % \begin{frame}[c]

   189 \frametitle{Preliminary 7}

   219 % \frametitle{Preliminary 7}

   190 

   220 

   191 Raw marks (261 submissions):\bigskip

   221 % Raw marks (261 submissions):\bigskip

   192 

   222 

   193 \begin{itemize}

   223 % \begin{itemize}

   194 \item 4\%: \hspace{4mm}236

   224 % \item 4\%: \hspace{4mm}236

   195 \item 3\%: \hspace{4mm}10

   225 % \item 3\%: \hspace{4mm}10

   196 \item 2\%: \hspace{4mm}1

   226 % \item 2\%: \hspace{4mm}1

   197 \item 1\%: \hspace{4mm}0

   227 % \item 1\%: \hspace{4mm}0

   198 \item 0\%: \hspace{4mm}15 

   228 % \item 0\%: \hspace{4mm}15 

   199 \end{itemize}\bigskip\bigskip  

   229 % \end{itemize}\bigskip\bigskip  

   200 

   230 

   201 \footnotesize

   231 % \footnotesize

   202 (plagiarism/collusion interviews ongoing!)

   232 % (plagiarism/collusion interviews ongoing!)

   203 

   233 

   204 \end{frame}

   234 % \end{frame}

   205 

   235 

   206 

   236 

   207 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

   237 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

   208 

   238 

   209 

   239 

   210 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

   240 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

   211 \begin{frame}[c,fragile]

   241 % \begin{frame}[c,fragile]

   212 \small

   242 % \small

   213   

   243   

   214 \begin{lstlisting}[language=Scala, numbers=none, xleftmargin=1mm]

   244 % \begin{lstlisting}[language=Scala, numbers=none, xleftmargin=1mm]

   215 def is_legal(dim: Int, p: Path, x: Pos) = {

   245 % def is_legal(dim: Int, p: Path, x: Pos) = {

   216   if (...some_really_long_condition...) false

   246 %   if (...some_really_long_condition...) false

   217   else true

   247 %   else true

   218 }

   248 % }

   219 \end{lstlisting}

   249 % \end{lstlisting}

   220 

   250 

   221 \pause

   251 % \pause

   222 \bigskip

   252 % \bigskip

   223 \rule{11cm}{0.3mm}

   253 % \rule{11cm}{0.3mm}

   224 \bigskip

   254 % \bigskip

   225 

   255 

   226 \begin{lstlisting}[language=Scala, numbers=none, xleftmargin=1mm]

   256 % \begin{lstlisting}[language=Scala, numbers=none, xleftmargin=1mm]

   227 def is_legal(dim: Int, p: Path, x: Pos) = 

   257 % def is_legal(dim: Int, p: Path, x: Pos) = 

   228   !(...some_really_long_condition...)

   258 %   !(...some_really_long_condition...)

   229 \end{lstlisting}

   259 % \end{lstlisting}

   230 

   260 

   231 \end{frame}

   261 % \end{frame}

   235 \begin{frame}[c,fragile]

   265 % \begin{frame}[c,fragile]

   236 \small

   266 % \small

   237   

   267   

   238 \begin{lstlisting}[language=Scala, numbers=none, xleftmargin=1mm]

   268 % \begin{lstlisting}[language=Scala, numbers=none, xleftmargin=1mm]

   239 def foobar(...) = {

   269 % def foobar(...) = {

   240   val cs = for (c <- str) yield c.toLowerCase

   270 %   val cs = for (c <- str) yield c.toLowerCase

   241   ...

   271 %   ...

   242 }

   272 % }

   243 \end{lstlisting}

   273 % \end{lstlisting}

   244 

   274 

   245 \pause

   275 % \pause

   246 \bigskip

   276 % \bigskip

   247 \rule{11cm}{0.3mm}

   277 % \rule{11cm}{0.3mm}

   248 \bigskip

   278 % \bigskip

   249 

   279 

   250 \begin{lstlisting}[language=Scala, numbers=none, xleftmargin=1mm]

   280 % \begin{lstlisting}[language=Scala, numbers=none, xleftmargin=1mm]

   251 def foobar(...) = {

   281 % def foobar(...) = {

   252   val cs = str.map(_.toLowerCase)

   282 %   val cs = str.map(_.toLowerCase)

   253   ...

   283 %   ...

   254 }

   284 % }

   255 \end{lstlisting}

   285 % \end{lstlisting}

   256 

   286 

   257 \end{frame}

   287 % \end{frame}

   262 \begin{frame}[c,fragile]

   292 % \begin{frame}[c,fragile]

   263 \small

   293 % \small

   264   

   294   

   265 \begin{lstlisting}[language=Scala, numbers=none, xleftmargin=-7mm]

   295 % \begin{lstlisting}[language=Scala, numbers=none, xleftmargin=-7mm]

   266 def RomanNumeral2Int(rs: RomanNumeral): Int = 

   296 % def RomanNumeral2Int(rs: RomanNumeral): Int = 

   267  rs match { 

   297 %  rs match { 

   268    case Nil => 0

   298 %    case Nil => 0

   269    case M::r    => 1000 + RomanNumeral2Int(r)  

   299 %    case M::r    => 1000 + RomanNumeral2Int(r)  

   270    case C::M::r => 900 + RomanNumeral2Int(r)

   300 %    case C::M::r => 900 + RomanNumeral2Int(r)

   271    case D::r    => 500 + RomanNumeral2Int(r)

   301 %    case D::r    => 500 + RomanNumeral2Int(r)

   272    case C::D::r => 400 + RomanNumeral2Int(r)

   302 %    case C::D::r => 400 + RomanNumeral2Int(r)

   273    case C::r    => 100 + RomanNumeral2Int(r)

   303 %    case C::r    => 100 + RomanNumeral2Int(r)

   274    case X::C::r => 90 + RomanNumeral2Int(r)

   304 %    case X::C::r => 90 + RomanNumeral2Int(r)

   275    case L::r    => 50 + RomanNumeral2Int(r)

   305 %    case L::r    => 50 + RomanNumeral2Int(r)

   276    case X::L::r => 40 + RomanNumeral2Int(r)

   306 %    case X::L::r => 40 + RomanNumeral2Int(r)

   277    case X::r    => 10 + RomanNumeral2Int(r)

   307 %    case X::r    => 10 + RomanNumeral2Int(r)

   278    case I::X::r => 9 + RomanNumeral2Int(r)

   308 %    case I::X::r => 9 + RomanNumeral2Int(r)

   279    case V::r    => 5 + RomanNumeral2Int(r)

   309 %    case V::r    => 5 + RomanNumeral2Int(r)

   280    case I::V::r => 4 + RomanNumeral2Int(r)

   310 %    case I::V::r => 4 + RomanNumeral2Int(r)

   281    case I::r    => 1 + RomanNumeral2Int(r)

   311 %    case I::r    => 1 + RomanNumeral2Int(r)

   282  }

   312 %  }

   283 \end{lstlisting}

   313 % \end{lstlisting}

   284 

   314 

   285 \end{frame}

   315 % \end{frame}

   334 \begin{frame}[c,fragile]

   364 % \begin{frame}[c,fragile]

   335 \frametitle{Sudoku}

   365 % \frametitle{Sudoku}

   336 

   366 

   337 A very simple-minded version on 110 problems:\bigskip

   367 % A very simple-minded version on 110 problems:\bigskip

   338 

   368 

   339 \begin{itemize}

   369 % \begin{itemize}

   340 \item 1 core: 800 secs

   370 % \item 1 core: 800 secs

   341 \item 2 cores: 400 secs

   371 % \item 2 cores: 400 secs

   342 \item 8 cores: 290 secs

   372 % \item 8 cores: 290 secs

   343 \item 18 cores: 142 secs

   373 % \item 18 cores: 142 secs

   344 \end{itemize}

   374 % \end{itemize}

   345 

   375 

   346 \end{frame}

   376 % \end{frame}

   351 \begin{frame}[t]

   381 % \begin{frame}[t]

   352 

   382 

   353   \begin{center}  

   383 %   \begin{center}  

   354   \includegraphics[scale=0.3]{../pics/blow.png}

   384 %   \includegraphics[scale=0.3]{../pics/blow.png}

   355   \end{center}

   385 %   \end{center}

   356   

   386   

   357   \begin{textblock}{14}(2,11.4)

   387 %   \begin{textblock}{14}(2,11.4)

   358   \large\bf{}Mind-Blowing Regular Expressions:\\ 

   388 %   \large\bf{}Mind-Blowing Regular Expressions:\\ 

   359   \centering in Python, JavaScript, Java

   389 %   \centering in Python, JavaScript, Java

   360   \end{textblock}

   390 %   \end{textblock}

   361 \end{frame}

   391 % \end{frame}

   390   \frametitle{CW 9: Regexes}

   420   \frametitle{Main 3: Regexes}

   393   Graphs: \alert{\texttt{(a*)*b}} and strings $\underbrace{\;\texttt{a}\ldots \texttt{a}\;}_{n}$\bigskip

   423   \mbox{Graphs: regex \alert{\texttt{(a*)*b}} and strings $\underbrace{\;\texttt{a}\ldots \texttt{a}\;}_{n}$}\bigskip

   394   

   424 

   395 \begin{tabular}[t]{@{\hspace{-8mm}}c@{\hspace{-4mm}}c@{}}

   425 

   426   \small  

   427 \begin{tabular}[t]{@{\hspace{-8mm}}c@{\hspace{-0mm}}c@{}}

   409     height=5cm, 

   441     height=5cm,

   410     legend entries={\small{}Python,  \small{}Java 8,  \small{}JavaScript},  

   442     legend entries={Java 8,Python,JavaScript,Swift,Dart},

   443     %legend entries={\small{}Python,  \small{}Java 8,  \small{}JavaScript},  

   463 

   499 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%     

   500 \begin{frame}[c,fragile]

   501 \small

   502 \textcolor{red}{MacOSX}\medskip

   503 

   504 \begin{minipage}{13cm}

   505   \begin{itemize}

   506   \item[0)] (if needed) \texttt{brew install java} \;\;or\;\; \texttt{brew reinstall java}

   507   \item[1)] \texttt{curl -s "https://get.sdkman.io" | bash}

   508   \item[2)] \texttt{sdk install scala 2.13.7}  

   509   \end{itemize}

   510 \end{minipage}\bigskip

   511   

   512 \textcolor{red}{Windows / Linux Ubuntu}\medskip

   513 

   514 \begin{minipage}{13cm}

   515   \begin{itemize}

   516   \item[0)] (if needed) \texttt{sudo apt-get remove scala-library scala}

   517   \item[1)] {\fontsize{8.5}{8.5}\selectfont\texttt{sudo wget https://downloads.lightbend.com/scala/2.13.7/scala-2.13.7.deb}}

   518   \item[2)] \texttt{sudo dpkg -i scala-2.13.7.deb}  

   519   \end{itemize}

   520 \end{minipage}\bigskip

   521 

   522 \begin{minipage}{13cm}

   523 other Linux distros: \texttt{sudo apt-get scala}

   524 \end{minipage}

   525 

   526 \end{frame}

   527 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%