Remove Leaves In Binary Tree
easy
1. You are given a partially written BinaryTree class. 2. You are required to complete the body of removeLeaves function. The function is expected to remove all leaf nodes from the tree. 3. Input and Output is managed for you.
Constraints
None
Format
Input
Input is managed for you.
Output
Output is managed for you.
Example
Sample Input
19
50 25 12 n n 37 30 n n n 75 62 n 70 n n 87 n n
Sample Output
25
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