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author | Timotej Lazar <timotej.lazar@fri.uni-lj.si> | 2016-05-22 17:48:30 +0200 |
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committer | Timotej Lazar <timotej.lazar@fri.uni-lj.si> | 2016-05-22 17:48:30 +0200 |
commit | bbcb29a202436fc0e222e187f1fadf0b1f305465 (patch) | |
tree | fed504361df37c4ce01b5b13c1082d5f3234de79 /prolog/problems/algol/algol_if_3/en.py | |
parent | 4973979e40dfdc26dafe1cdeddf8e0bce859ba5d (diff) |
Prolog: update denotational_semantics problems
Diffstat (limited to 'prolog/problems/algol/algol_if_3/en.py')
-rw-r--r-- | prolog/problems/algol/algol_if_3/en.py | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/prolog/problems/algol/algol_if_3/en.py b/prolog/problems/algol/algol_if_3/en.py new file mode 100644 index 0000000..bd5b732 --- /dev/null +++ b/prolog/problems/algol/algol_if_3/en.py @@ -0,0 +1,19 @@ +name = 'algol_if/3' +slug = 'interpreter for mini-algol with if-statement' + +description = '''\ +<p>Extend the given DCG for mini-algol to support the if-statement. You can assume that both branches are present in every if-statement. Example:</p> +<pre> +% if a < b then +% print(a) +% else +% print(b) +% end +?- _Program = [begin,if,a,<,b,then,print(a),else,print(b),end,end], + algol_if(_F, _Program, []), + apply([a=3,b=5], Output, _F). + Output = [a=3,b=5,printout=[3]]. +</pre> +''' + +hint = {} |