Day 30 of 30-Day LeetCode Challenge

Aanchal Patial
1 min readApr 30, 2020

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Given a binary tree where each path going from the root to any leaf form a valid sequence, check if a given string is a valid sequence in such binary tree.

We get the given string from the concatenation of an array of integers arr and the concatenation of all values of the nodes along a path results in a sequence in the given binary tree.

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Aanchal Patial

We never really grow up, we only learn how to act in public