Leaderboard
Showing:
Handle Score
@Ibrahim Nash 6420
@blackshadows 6380
@mb1973 5704
@Quandray 5245
@akhayrutdinov 5111
@saiujwal13083 5046
@sanjay05 3762
@kirtidee18 3673
@marius_valentin_dragoi 3523
@mantu_singh 3510
@sushant_a 3459
Complete Leaderboard
Count Non-Leaf Nodes in Tree
Basic Accuracy: 50.27% Submissions: 15369 Points: 1

Given a Binary Tree of size N, your task is to complete the function countNonLeafNodes(), that should return the count of all the non-leaf nodes of the given binary tree.
Example:

Input : 

Output :
2

Input:
The function takes a single arguments as input, the reference pointer to the root of the binary tree.
There are T test cases and for each test case the function will be called separately.

Output:
The function should return the count of all the non-leaf nodes of the binary tree.

Constraints:
1<=T<=103
0<=N<=103

 

to report an issue on this page.

Editorial

We strongly recommend solving this problem on your own before viewing its editorial. Do you still want to view the editorial?

Yes

All Submissions

My Submissions:

Login to access your submissions.

Count Non-Leaf Nodes in Tree

Output Window