From 95e2fe57f6e4639f6ae9f1fef368829d5090dbf6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ale=C5=A1=20Smodi=C5=A1?= Date: Tue, 18 Aug 2015 16:06:19 +0200 Subject: Exported all problems from the SQLite database into the new directory structure. --- prolog/problems/lists/count_3/common.py | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 prolog/problems/lists/count_3/common.py (limited to 'prolog/problems/lists/count_3/common.py') diff --git a/prolog/problems/lists/count_3/common.py b/prolog/problems/lists/count_3/common.py new file mode 100644 index 0000000..583ad6b --- /dev/null +++ b/prolog/problems/lists/count_3/common.py @@ -0,0 +1,15 @@ +id = 120 +group = 'lists' +number = 27 +visible = True +facts = None + +solution = '''\ +count(_, [], 0). +count(X, [X|T], N) :- + count(X, T, NT), + N is NT + 1. +count(X, [Y|T], NT) :- + X \== Y, + count(X, T, NT). +''' -- cgit v1.2.1