Question: 3. (2 points) A binary tree data structure can be implemented as: template class Node { T key; Node *left; Node right; }; template

3. (2 points) A binary tree data structure can be implemented as: template class Node { T key; Node *left; Node "right; }; template class Tree ( Node "root; }; 8 3 (10) 1 6 (14) 7 (13) Write a program to print out all the nodes of a binary tree in Breadth-First Search order (hint: using a queue).

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