Getting run time error in my code

[sharad1103 (Sharad mittal)]

Coding Blocks IDE

[Aayush (Aayush Upadhyay)]

Hi @sharad1103
You are getting run error because when root==NULL you are trying to access root->left and root->right.
So you need to just make a single change in sumAtLevelK function that is include the case when root==NULL and return 0 for that.

Here is your corrected code :

Coding Blocks IDE

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