LeetCode
Question
·
Aug 2021
Amazon first round - rejected
3 upvotes
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9 replies
Question Details
Given a 2D array with 0s and 1s, given these conditions: arr[i][j] = 1 if i is parent/grandparent of j arr[i][j] = 0, otherwise Find whether creating a binary tree is possible. Input: 0 1...
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