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-rw-r--r--prolog/problems/license_plates/joindigits_2/common.py14
1 files changed, 14 insertions, 0 deletions
diff --git a/prolog/problems/license_plates/joindigits_2/common.py b/prolog/problems/license_plates/joindigits_2/common.py
new file mode 100644
index 0000000..dc3e4a5
--- /dev/null
+++ b/prolog/problems/license_plates/joindigits_2/common.py
@@ -0,0 +1,14 @@
+id = 145
+group = 'license_plates'
+number = 52
+visible = True
+facts = None
+
+solution = '''\
+joindigits([X], [X]).
+joindigits([X,Y|T], NT) :-
+ XY is 10*X + Y,
+ joindigits([XY|T], NT).
+joindigits([X,Y|T], [X|NT]) :-
+ joindigits([Y|T], NT).
+'''