Given a Binary tree, count total number of non-leaf nodes in the tree
Input : Output :2 Explanation In the above tree only two nodes 1 and 2 are non-leaf nodes
We recursively traverse the given tree. While traversing, we count non-leaf nodes in left and right subtrees and add 1 to the result.
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- Write a program to Delete a Tree
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- The Great Tree-List Recursion Problem.
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- Program to count leaf nodes in a binary tree
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