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author | Martin Možina <martin.mozina@fri.uni-lj.si> | 2015-12-28 10:23:46 +0100 |
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committer | Martin Možina <martin.mozina@fri.uni-lj.si> | 2015-12-28 10:23:46 +0100 |
commit | 165c7165bb2184c9c9e0576a074ba4f29052bf8f (patch) | |
tree | 9b86dbbd1d4c39b52bfd7f54cfb13c2354727a53 /prolog/problems/dcg/expr_3/sl.py | |
parent | 4cdea335b0951e3c12dfb7b906f958d6b5be25c6 (diff) | |
parent | c1bb0d56b2c0482c766d094c65fdf0fd9d1aa0ba (diff) |
Merge branch 'master' of 192.168.15.97:codeq-problems
Conflicts:
python/problems/functions/palindrome/sl.py
python/problems/functions/palindromic_numbers/sl.py
Diffstat (limited to 'prolog/problems/dcg/expr_3/sl.py')
-rw-r--r-- | prolog/problems/dcg/expr_3/sl.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/prolog/problems/dcg/expr_3/sl.py b/prolog/problems/dcg/expr_3/sl.py new file mode 100644 index 0000000..734a6ea --- /dev/null +++ b/prolog/problems/dcg/expr_3/sl.py @@ -0,0 +1,15 @@ +# coding=utf-8 + +name = 'expr/3' +slug = 'Aritmetični izrazi s pomenom' + +description = '''\ +<p>Napiši gramatiko z začetnim simbolom <code>expr</code> za jezik aritmetičnih izrazov, ki vsebujejo števila (brez vodilnih ničel), vsoto in množenje. Podizrazi se lahko združujejo z oklepaji. Pomen besede v tem jeziku je numerična vrednost predstavljenega izraza.</p> +<p>Primeri veljavnih besed: <code>(1+2)*3</code>, <code>42*8*3</code>, <code>(2+1)*(3+4)</code>.</p> +<pre> + ?- expr(N, ['(',2,'+',1,')','*','(',3,'+',4,')'], []). % (2+1)*(3+4) = 21 + N = 21. +</pre> +''' + +hint = {} |