Print all leaf nodes

#1

https://hack.codingblocks.com/app/practice/2/925/problem how to take input i am having problem?

#2

hi @tusharjha9835 this link is accessible to you only, please share the hackerblocks link of the problem, or share the description by copy pasting it here or taking a screenshot

#3

Binary Trees – Print All Leaf Nodes this is the question

#4

@tusharjha9835 please share the description/hackerblocks link…how can i know the entire question just by its name?

#5

input
1
2 3
4 5
6 7
-1 -1
-1 -1
-1 -1
-1 -1

output
4 5 6 7

#6

@tusharjha9835 any description on input format is given?

#7

hi @tusharjha9835 the level order traversal is given.
You can rewrite it like this for better understanding

             1
      2             3
   4      5      6      7
-1 - 1 -1 - 1 -1 - 1 -1 - 1
#8

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