Please help i am not able to return the sum of nodes at level k but i made the code to print the level at a particular level k how can i convert this code so that it can give me the the desired output

#1
#2

Hello @anshulgurawalia if you’re able to print the nodes then what you can do is store them in sn array or vector then take sum.

#3

only passing one test case

#4

@anshulgurawalia check this:


you were not forming the tree in the correct way;

#5

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