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429 B
429 B
invert tree
Instructions
Write a function that takes tree and inverts(flips) and returns it.
Expected function and structure
type TNode struct {
Val int
Left *TNode
Right *TNode
}
func InvertTree(root *TNode) *TNode {
}
Example:
Input:
7
/ \
5 10
/ \ / \
3 6 9 13
Output:
7
/ \
10 5
/ \ / \
13 9 6 3