diff options
Diffstat (limited to 'prolog/problems/dcg/paren_3/common.py')
| -rw-r--r-- | prolog/problems/dcg/paren_3/common.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/prolog/problems/dcg/paren_3/common.py b/prolog/problems/dcg/paren_3/common.py new file mode 100644 index 0000000..cf7c439 --- /dev/null +++ b/prolog/problems/dcg/paren_3/common.py @@ -0,0 +1,10 @@ +id = 169 +group = 'dcg' +number = 76 +visible = True +facts = None + +solution = '''\ +paren(0) --> []. +paren(D) --> ['('], paren(D1), [')'], paren(D2), { D1 >= D2, D is D1 + 1 ; D1 < D2 , D is D2 }. +''' |