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100_isSameTree.go

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package main

func isSameTree(p *TreeNode, q *TreeNode) bool {

if p == nil && q == nil {

return true

}

if p == nil && q != nil {

return false

}

if q == nil && p != nil {

return false

}

if p.Val != q.Val {

return false

}

return isSameTree(p.Left, q.Left) && isSameTree(p.Right, q.Right)

}