whether all of its nodes have the value equal to the sum of their child nodes.
Question
whether all of its nodes have the value equal to the sum of their child nodes.
Solution
It seems like you're asking about a property of a tree data structure in computer science. Specifically, you're asking if all nodes in a tree have a value equal to the sum of their child nodes.
Here's how you can check this, step by step:
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Start at the root of the tree. This will be our initial current node.
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Check if the current node is a leaf node (i.e., it has no children). If it is, return true because a leaf node trivially satisfies the property.
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If the current node is not a leaf node, calculate the sum of the values of its child nodes.
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Compare the calculated sum with the value of the current node. If they are not equal, return false because the current node does not satisfy the property.
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If they are equal, recursively repeat the process for each of the current node's child nodes. If any of these recursive calls return false, return false.
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If none of the recursive calls return false, return true. This means that the current node and all of its descendants satisfy the property.
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If the initial call to this process (i.e., the call that started at the root) returns true, then all nodes in the tree satisfy the property. If it returns false, then not all nodes satisfy the property.
This process will check every node in the tree exactly once, so it will correctly determine whether all nodes satisfy the property you're asking about.
Similar Questions
Given a Binary Tree of size N, your task is to complete the function rightLeafSum(), which should return the sum of all the leaf nodes that are the right child of their parent of the given binary tree.
Given the root of a binary tree, return the sum of all left leaves.A leaf is a node with no children. A left leaf is a leaf that is the left child of another node.
Given the root of a binary tree and an integer targetSum, return true if the tree has a root-to-leaf path such that adding up all the values along the path equals targetSum.A leaf is a node with no children. Example 1:Input: root = [5,4,8,11,null,13,4,7,2,null,null,null,1], targetSum = 22Output: trueExplanation: The root-to-leaf path with the target sum is shown.Example 2:Input: root = [1,2,3], targetSum = 5Output: falseExplanation: There two root-to-leaf paths in the tree:(1 --> 2): The sum is 3.(1 --> 3): The sum is 4.There is no root-to-leaf path with sum = 5.Example 3:Input: root = [], targetSum = 0Output: falseExplanation: Since the tree is empty, there are no root-to-leaf paths. Constraints:The number of nodes in the tree is in the range [0, 5000].-1000 <= Node.val <= 1000-1000 <= targetSum <= 1000
Which of these statements is not true?In a node tree, the top node is called the rootEvery node, except the root, has exactly one parent nodeA node can have any number of childrenA leaf is a node with the same parent
In a strict binary tree a node can have 0 children.Correct answer True You Answered False
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