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whether O |
a O |
word O |
of O |
student O |
input O |
matched O |
a O |
word O |
of O |
the O |
pattern O |
, O |
the O |
Hamming O |
distance O |
between O |
the O |
two O |
bit B-Data_Structure |
vectors I-Data_Structure |
was O |
used O |
as O |
a O |
measure O |
of O |
the O |
degree O |
of O |
difference O |
between O |
the O |
words O |
. O |
</s> |
<s> |
Split O |
: O |
To O |
split O |
a O |
weight-balanced B-Data_Structure |
tree I-Data_Structure |
into O |
two O |
smaller O |
trees O |
, O |
those O |
smaller O |
than O |
key O |
x O |
, O |
and O |
those O |
larger O |
than O |
key O |
x O |
, O |
first O |
draw O |
a O |
path O |
from O |
the O |
root O |
by O |
inserting O |
x O |
into O |
the O |
tree O |
. O |
</s> |
<s> |
A O |
common O |
optimization O |
is O |
to O |
put O |
the O |
unsorted O |
elements O |
of O |
the O |
buckets O |
back O |
in O |
the O |
original O |
array B-Data_Structure |
first O |
, O |
then O |
run O |
insertion B-Algorithm |