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.

---
 prolog/problems/sorting/quick_sort_2/common.py | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 prolog/problems/sorting/quick_sort_2/common.py

(limited to 'prolog/problems/sorting/quick_sort_2/common.py')

diff --git a/prolog/problems/sorting/quick_sort_2/common.py b/prolog/problems/sorting/quick_sort_2/common.py
new file mode 100644
index 0000000..5eff940
--- /dev/null
+++ b/prolog/problems/sorting/quick_sort_2/common.py
@@ -0,0 +1,24 @@
+id = 125
+group = 'sorting'
+number = 32
+visible = True
+facts = None
+
+solution = '''\
+conc125([], L, L).
+conc125([H|T], L2, [H|L]) :-
+  conc125(T, L2, L).
+pivoting125(_, [], [], []).
+pivoting125(P, [H|T], [H|S], G) :-
+  H =< P,
+  pivoting125(P, T, S, G).
+pivoting125(P, [H|T], S, [H|G]) :-
+  H > P,
+  pivoting125(P, T, S, G).
+quick_sort([], []).
+quick_sort([Pivot|T], Sorted) :-
+  pivoting125(Pivot, T, Smaller, Greater),
+  quick_sort(Smaller, SortedSmaller),
+  quick_sort(Greater, SortedGreater),
+  conc125(SortedSmaller, [Pivot|SortedGreater], Sorted).
+'''
-- 
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