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<b><font face="Arial, Helvetica, sans-serif" size="4" color="#000000">functions
* <font color="#FF0000"> max_heap ( n ) </font>
this function return TRUE iff n is a position in the
max-heap of the deap.
* <font color="#FF0000"> min_partner ( n ) </font>
This function compute the min_heap node that
corresponds to the max-heap position n. This is given by
n - <img src="image/logi.gif" width="64" height="30" align="middle">
* <font color="#FF0000">max_partner ( n )</font>
This function compute the max-heap node that corresponds to
the parent of min-heap position n. This is given by
( n +<img src="image/logi.gif" width="64" height="30" align="middle"> ) / 2
* <font color="#FF0000">min_insert and max_insert</font>
These functions insert an element into a specified position of a
min- and max-heap, respectively. This is done by following the
path from this position toward the root of the respective heap.
Elements are moved down as necessary until the correct place
to insert the new element is found
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