updated the dot and pdf in exercise 1, added dot and pdf in exercise 3

exercises/solutions/1_control_flow/f1_pitstop_par_correct.dot

@@ -4,49 +4,64 @@ digraph {
     name="F1 pitstop simulation"
   ];
   0 [
-    id=1
+    id=1770
+    state=COMPLETED
     name=Breaks
-    label="Breaks, id: 1"
+    label="Breaks, id: 1770"
   ];
   1 [
-    id=2
+    id=1771
+    state=COMPLETED
     name="Lift car"
-    label="Lift car, id: 2"
+    label="Lift car, id: 1771"
   ];
   2 [
-    id=3
+    id=1772
+    state=COMPLETED
     name=Refuel
-    label="Refuel, id: 3"
+    label="Refuel, id: 1772"
   ];
   3 [
-    id=4
+    id=1773
+    state=COMPLETED
     name="Exchange tire 1"
-    label="Exchange tire 1, id: 4"
+    label="Exchange tire 1, id: 1773"
   ];
   4 [
-    id=5
+    id=1774
+    state=COMPLETED
     name="Exchange tire 2"
-    label="Exchange tire 2, id: 5"
+    label="Exchange tire 2, id: 1774"
   ];
   5 [
-    id=6
+    id=1775
+    state=COMPLETED
     name="Exchange tire 3"
-    label="Exchange tire 3, id: 6"
+    label="Exchange tire 3, id: 1775"
   ];
   6 [
-    id=7
+    id=1776
+    state=COMPLETED
     name="Exchange tire 4"
-    label="Exchange tire 4, id: 7"
+    label="Exchange tire 4, id: 1776"
   ];
   7 [
-    id=8
-    name="First gear"
-    label="First gear, id: 8"
+    id=1777
+    state=COMPLETED
+    name="Lower car"
+    label="Lower car, id: 1777"
   ];
   8 [
-    id=9
+    id=1778
+    state=COMPLETED
+    name="First gear"
+    label="First gear, id: 1778"
+  ];
+  9 [
+    id=1779
+    state=COMPLETED
     name=Go
-    label="Go, id: 9"
+    label="Go, id: 1779"
   ];
 
   0 -> 1 [
@@ -67,7 +82,7 @@ digraph {
   1 -> 6 [
     label=" "
   ];
-  2 -> 8 [
+  2 -> 9 [
     label=" "
   ];
   3 -> 7 [
@@ -85,4 +100,7 @@ digraph {
   7 -> 8 [
     label=" "
   ];
+  8 -> 9 [
+    label=" "
+  ];
 }

exercises/solutions/3_files_and_commands/image_reconstruct.dot

+/* Created by igraph 0.7.1 */
+digraph {
+  graph [
+    name="Image reconstruction"
+  ];
+  0 [
+    id=1785
+    name="Transfer the input files"
+    label="Transfer the input files, id: 1785"
+  ];
+  1 [
+    id=1786
+    name="Rotate 90 degrees anti-clockwise"
+    label="Rotate 90 degrees anti-clockwise, id: 1786"
+  ];
+  2 [
+    id=1787
+    name="Flip vertically"
+    label="Flip vertically, id: 1787"
+  ];
+  3 [
+    id=1788
+    name="Flop horizontally"
+    label="Flop horizontally, id: 1788"
+  ];
+  4 [
+    id=1789
+    name="Flop horizontally"
+    label="Flop horizontally, id: 1789"
+  ];
+  5 [
+    id=1790
+    name="Put the four pieces together"
+    label="Put the four pieces together, id: 1790"
+  ];
+
+  0 -> 1 [
+    label=" "
+  ];
+  0 -> 2 [
+    label=" "
+  ];
+  1 -> 3 [
+    label="top left"
+  ];
+  1 -> 5 [
+    label="top left"
+  ];
+  2 -> 4 [
+    label="bottom right"
+  ];
+  2 -> 5 [
+    label="bottom right"
+  ];
+  3 -> 5 [
+    label="top right"
+  ];
+  4 -> 5 [
+    label="bottom left"
+  ];
+}

exercises/solutions/3_files_and_commands/image_reconstruct_scripttask.dot

+/* Created by igraph 0.7.1 */
+digraph {
+  graph [
+    name="Image reconstruction"
+  ];
+  0 [
+    id=1780
+    name="Rotate 90 degrees anti-clockwise"
+    label="Rotate 90 degrees anti-clockwise, id: 1780"
+  ];
+  1 [
+    id=1781
+    name="Flip vertically"
+    label="Flip vertically, id: 1781"
+  ];
+  2 [
+    id=1782
+    name="Flop horizontally"
+    label="Flop horizontally, id: 1782"
+  ];
+  3 [
+    id=1783
+    name="Flop horizontally"
+    label="Flop horizontally, id: 1783"
+  ];
+  4 [
+    id=1784
+    name="Put the four pieces together"
+    label="Put the four pieces together, id: 1784"
+  ];
+
+  0 -> 2 [
+    label=" "
+  ];
+  0 -> 4 [
+    label=" "
+  ];
+  1 -> 3 [
+    label=" "
+  ];
+  1 -> 4 [
+    label=" "
+  ];
+  2 -> 4 [
+    label=" "
+  ];
+  3 -> 4 [
+    label=" "
+  ];
+}