From 6306f811c7d8a0cd893a0ad1fbcae9e701de3c64 Mon Sep 17 00:00:00 2001 From: Timotej Lazar Date: Fri, 28 Aug 2015 17:15:24 +0200 Subject: Add a simple hint function for sister_2 --- prolog/problems/family_relations/sister_2/common.py | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'prolog/problems/family_relations/sister_2/common.py') diff --git a/prolog/problems/family_relations/sister_2/common.py b/prolog/problems/family_relations/sister_2/common.py index 2c9528e..9be9e6d 100644 --- a/prolog/problems/family_relations/sister_2/common.py +++ b/prolog/problems/family_relations/sister_2/common.py @@ -45,3 +45,8 @@ def test(program): prolog.engine.destroy(engine_id) return n_correct, len(queries) + +def hint(program): + if '\=' not in program and '\==' not in program: + return [{'id': 'x_y_must_be_different'}] + return None -- cgit v1.2.1