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author | Timotej Lazar <timotej.lazar@fri.uni-lj.si> | 2016-04-03 18:11:08 +0200 |
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committer | Timotej Lazar <timotej.lazar@fri.uni-lj.si> | 2016-04-03 18:11:08 +0200 |
commit | 732b8f42029eced5e53debbff367131c2ea366ee (patch) | |
tree | 72affc8fd74958dad4a268a117682f76bc0b9600 /prolog/problems/sets/count_3/en.py | |
parent | dc8aea8bc8bc9fccda142312d0fa32413531d423 (diff) |
Prolog: add introduction for the sets group and make it visible
Diffstat (limited to 'prolog/problems/sets/count_3/en.py')
-rw-r--r-- | prolog/problems/sets/count_3/en.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/prolog/problems/sets/count_3/en.py b/prolog/problems/sets/count_3/en.py new file mode 100644 index 0000000..481fd1c --- /dev/null +++ b/prolog/problems/sets/count_3/en.py @@ -0,0 +1,11 @@ +name = 'count/3' +slug = 'find the number of occurrences of an element in list' + +description = '''\ +<p><code>count(X, L, N)</code>: <code>N</code> is the number of times the element <code>X</code> appears in the list <code>L</code>.</p> +<pre> +?- count(1, [1,2,1,3,1], N). + N = 3. +</pre>''' + +hint = {} |