From 95e2fe57f6e4639f6ae9f1fef368829d5090dbf6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ale=C5=A1=20Smodi=C5=A1?= <aless@guru.si>
Date: Tue, 18 Aug 2015 16:06:19 +0200
Subject: Exported all problems from the SQLite database into the new directory
 structure.

---
 .../denotational_semantics/prog_listswap_2/common.py     | 16 ++++++++++++++++
 .../denotational_semantics/prog_listswap_2/en.py         | 11 +++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 prolog/problems/denotational_semantics/prog_listswap_2/common.py
 create mode 100644 prolog/problems/denotational_semantics/prog_listswap_2/en.py

(limited to 'prolog/problems/denotational_semantics/prog_listswap_2')

diff --git a/prolog/problems/denotational_semantics/prog_listswap_2/common.py b/prolog/problems/denotational_semantics/prog_listswap_2/common.py
new file mode 100644
index 0000000..ae1c220
--- /dev/null
+++ b/prolog/problems/denotational_semantics/prog_listswap_2/common.py
@@ -0,0 +1,16 @@
+id = 175
+group = 'denotational_semantics'
+number = 79
+visible = True
+facts = None
+
+solution = '''\
+program --> [begin], instructs175, [end].
+
+instructs175 --> instr175.
+instructs175 --> instr175, instructs175.
+
+instr175 --> [left].
+instr175 --> [right].
+instr175 --> [swap].
+'''
diff --git a/prolog/problems/denotational_semantics/prog_listswap_2/en.py b/prolog/problems/denotational_semantics/prog_listswap_2/en.py
new file mode 100644
index 0000000..4dd0ed5
--- /dev/null
+++ b/prolog/problems/denotational_semantics/prog_listswap_2/en.py
@@ -0,0 +1,11 @@
+id = 175
+name = 'prog_listswap/2'
+slug = 'list-manipulation language'
+
+description = '''\
+<p>Write a DCG for manipulating list elements. The first symbol in every word is <code>[begin]</code>, followed by any sequence of "instruction" symbols from the set {<code>left</code>, <code>right</code>, <code>swap</code>}, and finally <code>[end]</code>. The starting symbol should be named <code>prog_listswap</code>.</p>
+
+<p>Example words: <code>[begin,right,swap,end]</code>, <code>[begin,right,left,end]</code>.</p>
+'''
+
+hint = {}
-- 
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