Complier Error

[zterefe]

main.cpp:411:29: error: no matching constructor for
initialization of 'usefulData'
usefulData s1 = insert(root, d, p);
^ ~~~~~~~~~~~~~~~~~~
main.cpp:1110:19: note: in instantiation of member function
'two3Tree::insert' requested here
tree1.insert(data);
^
main.cpp:25:5: note: candidate constructor not viable: no
known conversion from 'usefulData' to
'two3node ' for 1st argument
usefulData (two3node c)
^
main.cpp:47:5: note: candidate constructor not viable:
expects an l-value for 1st argument
usefulData(usefulData & otherusefulData)
^
main.cpp:30:5: note: candidate constructor not viable:
requires 2 arguments, but 1 was provided
usefulData (two3node* c, T m)
^
main.cpp:452:15: error: no viable constructor returning
object of type 'usefulData'
return (NULL);
^ ~~~~~~
main.cpp:411:34: note: in instantiation of member function
'two3Tree::insert' requested here
usefulData s1 = insert(root, d, p);
^
main.cpp:1110:19: note: in instantiation of member function
'two3Tree::insert' requested here
tree1.insert(data);
^
main.cpp:25:5: note: candidate constructor not viable: no
known conversion from 'usefulData' to
'two3node ' for 1st argument
usefulData (two3node c)
^
main.cpp:47:5: note: candidate constructor not viable:
expects an l-value for 1st argument
usefulData(usefulData & otherusefulData)
^
main.cpp:30:5: note: candidate constructor not viable:
requires 2 arguments, but 1 was provided
usefulData (two3node* c, T m)
^
main.cpp:766:34: error: no viable overloaded '='
...s1 = Delete (r -> left, d, r);
~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~
main.cpp:741:11: note: in instantiation of member function
'two3Tree::Delete' requested here
Delete(root,d,p);
^
main.cpp:1121:19: note: in instantiation of member function
'two3Tree::deleteNode' requested here
tree1.deleteNode(data);
^
main.cpp:36:19: note: candidate function not viable:
expects an l-value for 1st argument
usefulData operator = (usefulData & other...
^
main.cpp:809:23: error: no viable constructor returning
object of type 'usefulData'
return (NULL);
^ ~~~~~~
main.cpp:25:5: note: candidate constructor not viable: no
known conversion from 'usefulData' to
'two3node ' for 1st argument
usefulData (two3node c)
^
main.cpp:47:5: note: candidate constructor not viable:
expects an l-value for 1st argument
usefulData(usefulData & otherusefulData)
^
main.cpp:30:5: note: candidate constructor not viable:
requires 2 arguments, but 1 was provided
usefulData (two3node* c, T m)
^
main.cpp:818:30: error: no viable overloaded '='
...s1 = rotateRight(p,r,s1.midValue,s1.child)...
~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
main.cpp:36:19: note: candidate function not viable:
expects an l-value for 1st argument
usefulData operator = (usefulData & other...
^
main.cpp:945:37: error: no matching constructor for
initialization of 'usefulData'
usefulData s1;
^
main.cpp:25:5: note: candidate constructor not viable:
requires single argument 'c', but no arguments were
provided
usefulData (two3node* c)
^
main.cpp:47:5: note: candidate constructor not viable:
requires single argument 'otherusefulData', but no
arguments were provided
usefulData(usefulData & otherusefulData)
^
main.cpp:30:5: note: candidate constructor not viable:
requires 2 arguments, but 0 were provided
usefulData (two3node* c, T m)
^
main.cpp:967:15: error: no viable constructor returning
object of type 'usefulData'
return (NULL);
^ ~~~~~~
main.cpp:25:5: note: candidate constructor not viable: no
known conversion from 'usefulData' to
'two3node ' for 1st argument
usefulData (two3node c)
^
main.cpp:47:5: note: candidate constructor not viable:
expects an l-value for 1st argument
usefulData(usefulData & otherusefulData)
^
main.cpp:30:5: note: candidate constructor not viable:
requires 2 arguments, but 1 was provided
usefulData (two3node* c, T m)
^
main.cpp:279:11: error: no viable constructor returning
object of type 'usefulData'
return (NULL);
^ ~~~~~~
main.cpp:818:33: note: in instantiation of member function
'two3Tree::rotateRight' requested here
s1 = rotateRight(p,r,s1....
^
main.cpp:741:11: note: in instantiation of member function
'two3Tree::Delete' requested here
Delete(root,d,p);
^
main.cpp:1121:19: note: in instantiation of member function
'two3Tree::deleteNode' requested here
tree1.deleteNode(data);
^
main.cpp:25:5: note: candidate constructor not viable: no
known conversion from 'usefulData' to
'two3node ' for 1st argument
usefulData (two3node c)
^
main.cpp:47:5: note: candidate constructor not viable:
expects an l-value for 1st argument
usefulData(usefulData & otherusefulData)
^
main.cpp:30:5: note: candidate constructor not viable:
requires 2 arguments, but 1 was provided
usefulData (two3node* c, T m)
^
8 errors generated.
compiler exit status 1