diff options
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 = {} |