master > master: code py - darstellung

- erzwinge `+`-Vorzeichen
- Spaltennamen ausführlicher (`b` -> `bound`)
- pad-Spalte ganz rechts, um als optional zu verdeutlichen

code/python/src/algorithms/rucksack/display.py

@@ -95,17 +95,17 @@ def display_branch_and_bound(
         else:
             used_choices.append(choice);
             expr = display_sum(choice=choice, values=values, as_maximum=False, order=order);
-        rows.append((f'{lb_estimate:g}', expr, ('' if pad == MaskValue.UNSET else pad.value), S));
+        rows.append((f'{lb_estimate:+g}', expr, S, ('' if pad == MaskValue.UNSET else pad.value)));
 
     table = pd.DataFrame(rows) \
-        .rename(columns={0: 'b', 1: 'g(TOP(S))', 2: 'pad?', 3: 'S'}) \
+        .rename(columns={0: 'bound', 1: 'g(TOP(S))', 2: 'S', 3: 'pad?'}) \
         .reset_index(drop=True);
     # benutze pandas-Dataframe + tabulate, um schöner darzustellen:
     repr = tabulate(
         table,
-        headers=['b', 'g(TOP(S))', 'pad?', 'S'],
+        headers=['bound', 'g(TOP(S))', 'S — stack', 'pad?'],
         showindex=False,
-        colalign=('left', 'left', 'center', 'right'),
+        colalign=('left', 'left', 'right', 'center'),
         tablefmt='rst'
     );
     return repr;