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Which of the following Java code snippets correctly checks if a binary tree is a binary search tree? a . boolean ISFun ( Node node,
Which of the following Java code snippets correctly checks if a binary tree is a binary search tree?
a
boolean ISFun Node node, int min i
int max size ;
if node null
return true;
if node key min & s node. key max
return false;
return ISFun node; node. left, node. key & &
ISFun node: node. right, node. key ;
b boolean ISFun Node node, int min f
int max size ;
if node null
return true;
if node key min node. key max
return false;
return ISFun node: node. Ieft, min: node.key &&
ISFun node: node. right, mini node. key;
c boolean ISFunNode node, int min, int max if node nu
return true;
if node key min node, key max
return false;
return ISFunnode: node. left, min, node.key &&
ISFun node: node. right, node. key max ;
d boolean ISFun Node node
if node nu
return true;
if node left null & &
node. left. key node. key
return false;
if node right null & &
node. right. key node, key
return false;
return ISFun node: node, left &&
ISFun node; node. right ;
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