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Results tagged with programming-challenge
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user 5285
Use this tag when the code is a solution to a programming challenge. Always include a sufficient description of the problem to be solved - while a link to the challenge is welcome, the review request needs to be complete when the challenge site is unavailable.
5
votes
1
answer
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Binary tree level order traversal algoritm
I am trying to solve this Binary tree lever order traversal:
Given binary tree {3,9,20,#,#,15,7},
3
/ \
9 20
/ \
15 7
return its bottom-up level order traversal as:
[
[15,7]
…
- 171