Trees - Sum at level k

#1

First 3 test cases show runtime error .
plz check the code and do the changes and let me know the mistake.

problem : https://online.codingblocks.com/app/player/39658/content/55448/4764/code-challenge?code=DKfh10P6QxGRYhBLVsqZjsBwjIV9lmDf

mycode : https://ide.codingblocks.com/s/192781

plz reply asap

#2

Hey problem link you provided is not accessible to anyone else except you.

#3

@sengarankit98 you are missing a base case in the function called to calculate sum.
if(root==NULL)
return ;
Add this base case at the starting of function and it would work.
If this resolves your doubt mark it as resolved.

#4

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