progress on RBT chapter

bilder/RBT_aufwand.tex

+\tikzsetnextfilename{dynamic_array_aufwand}
+\begin{tikzpicture}
+  \begin{axis}[
+      ybar stacked,
+    enlargelimits=0.05,
+    ylabel={Zeitaufwand},
+    xlabel={$n$},
+    symbolic x coords={1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18},
+    nodes near coords,
+    nodes near coords align={vertical},
+  ]
+  \addplot+[ybar] coordinates {(1,1) (2,1) (3,1) (4,1) (5,1) (6,1) (7,1) (8,1) (9,1) (10,1)
+      (11,1) (12,1) (13,1) (14,1) (15,1) (16,1) (17,1) (18,1)};
+  \addplot+[ybar] coordinates {(1,0) (2,1) (3,2) (4,0) (5,4) (6,0) (7,0) (8,0) (9,8) (10,0)
+      (11,0) (12,0) (13,0) (14,0) (15,0) (16,0) (17,16) (18,0)};
+      \legend{\strut $n$ Einfügen, \strut Umstrukturierung}
+  \end{axis}
+\end{tikzpicture}