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author | Aleš Smodiš <aless@guru.si> | 2015-08-18 16:06:19 +0200 |
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committer | Aleš Smodiš <aless@guru.si> | 2015-08-18 16:06:19 +0200 |
commit | 95e2fe57f6e4639f6ae9f1fef368829d5090dbf6 (patch) | |
tree | 462ba05eb0c4732ca1c97739548801258bf47b40 /prolog/problems/trees/maxt_2/common.py |
Exported all problems from the SQLite database into the new directory structure.
Diffstat (limited to 'prolog/problems/trees/maxt_2/common.py')
-rw-r--r-- | prolog/problems/trees/maxt_2/common.py | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/prolog/problems/trees/maxt_2/common.py b/prolog/problems/trees/maxt_2/common.py new file mode 100644 index 0000000..be51d46 --- /dev/null +++ b/prolog/problems/trees/maxt_2/common.py @@ -0,0 +1,25 @@ +id = 143 +group = 'trees' +number = 50 +visible = True +facts = None + +solution = '''\ +max143([X], X). +max143([H|T], Max):- + max143(T, Max1), + ( H > Max1, Max is H + ; + H =< Max1, Max is Max1 ). + +maxT(t(E), E) :- !. +maxT(Tree, Max) :- + Tree =.. [t, E|SubTrees], + getMaxElems(SubTrees, MaxElems), + max143([E|MaxElems], Max). + +getMaxElems([], []). +getMaxElems([SubTree|SubTrees], [MaxElem|MaxElems]) :- + maxT(SubTree, MaxElem), + getMaxElems(SubTrees, MaxElems). +''' |