From 8fbf2265a82fb569d551157b5cc16b9a5746db9f Mon Sep 17 00:00:00 2001 From: Aleksander Sadikov Date: Mon, 14 Mar 2016 04:38:47 +0100 Subject: Hints for last_elem/2 updated. --- prolog/problems/lists/last_elem_2/common.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'prolog/problems') diff --git a/prolog/problems/lists/last_elem_2/common.py b/prolog/problems/lists/last_elem_2/common.py index 9e6576f..cb934fc 100644 --- a/prolog/problems/lists/last_elem_2/common.py +++ b/prolog/problems/lists/last_elem_2/common.py @@ -93,7 +93,7 @@ def hint(code, aux_code): return [{'id': '[]_should_not_succeed'}] # returns a list, not an element as required - if prolog.engine.ask_truthTO(engine_id, 'last_elem([q], X), is_list(X)'): + if prolog.engine.ask_truthTO(engine_id, 'last_elem([qQ], [qQ])'): # 'last_elem([qQ], X), is_list(X)' with ask_one? return [{'id': 'list_returned'}] # missing/failed base case -- cgit v1.2.1