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author | Aleš Smodiš <aless@guru.si> | 2015-08-18 16:06:19 +0200 |
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committer | Aleš Smodiš <aless@guru.si> | 2015-08-18 16:06:19 +0200 |
commit | 95e2fe57f6e4639f6ae9f1fef368829d5090dbf6 (patch) | |
tree | 462ba05eb0c4732ca1c97739548801258bf47b40 /prolog/problems/lists/dup_2 |
Exported all problems from the SQLite database into the new directory structure.
Diffstat (limited to 'prolog/problems/lists/dup_2')
-rw-r--r-- | prolog/problems/lists/dup_2/common.py | 11 | ||||
-rw-r--r-- | prolog/problems/lists/dup_2/en.py | 14 |
2 files changed, 25 insertions, 0 deletions
diff --git a/prolog/problems/lists/dup_2/common.py b/prolog/problems/lists/dup_2/common.py new file mode 100644 index 0000000..37a0842 --- /dev/null +++ b/prolog/problems/lists/dup_2/common.py @@ -0,0 +1,11 @@ +id = 110 +group = 'lists' +number = 17 +visible = True +facts = None + +solution = '''\ +dup([], []). +dup([H|T], [H,H|TT]) :- + dup(T, TT). +''' diff --git a/prolog/problems/lists/dup_2/en.py b/prolog/problems/lists/dup_2/en.py new file mode 100644 index 0000000..d6aef71 --- /dev/null +++ b/prolog/problems/lists/dup_2/en.py @@ -0,0 +1,14 @@ +id = 110 +name = 'dup/2' +slug = 'duplicate the elements of a list' + +description = '''\ +<p><code>dup(L1, L2)</code>: the list <code>L2</code> is obtained from <code>L1</code> by duplicating every element.</p> +<pre> + ?- dup([1,2], X). + X = [1,1,2,2]. + ?- dup([1,2,3], X). + X = [1,1,2,2,3,3]. +</pre>''' + +hint = {} |