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Learn Data Structures and Algorithms in C++

Problem: Vertical Order Traversal of a Binary Tree

Explore how to compute the vertical order traversal of a binary tree by applying breadth-first search and organizing nodes by their column and row positions. Understand how to sort nodes for accurate traversal and learn the approach to implement this efficient algorithm in C++.

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Statement

Given the root of a binary tree, compute the vertical order traversal of the tree.

Each node is assigned a position (row,col)(row, col). The root is located at position (0,0)(0, 0). For any node at position (row,col)(row, col), its left child is at position (row+1,col−1)(row + 1, col - 1) and its right child is at position (row+1,col+1)(row + 1, col + 1) ...