diff options
Diffstat (limited to 'prolog/problems/trees/numberbt_2/common.py')
| -rw-r--r-- | prolog/problems/trees/numberbt_2/common.py | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/prolog/problems/trees/numberbt_2/common.py b/prolog/problems/trees/numberbt_2/common.py new file mode 100644 index 0000000..65baa14 --- /dev/null +++ b/prolog/problems/trees/numberbt_2/common.py @@ -0,0 +1,13 @@ +id = 139 +group = 'trees' +number = 44 +visible = True +facts = None + +solution = '''\ +numberBT(nil, 0). +numberBT(b(L, _, R), N) :- + numberBT(L, LN), + numberBT(R, RN), + N is LN + RN + 1. +''' |