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添加111. 二叉树的最小深度 go版本
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@ -1708,6 +1708,46 @@ class Solution:
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Go:
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```go
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/**
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* Definition for a binary tree node.
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* type TreeNode struct {
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* Val int
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* Left *TreeNode
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* Right *TreeNode
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* }
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*/
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func minDepth(root *TreeNode) int {
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ans:=0
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if root==nil{
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return 0
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}
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queue:=list.New()
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queue.PushBack(root)
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for queue.Len()>0{
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length:=queue.Len()
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for i:=0;i<length;i++{
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node:=queue.Remove(queue.Front()).(*TreeNode)
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if node.Left==nil&&node.Right==nil{//当前节点没有左右节点,则代表此层是最小层
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return ans+1//返回当前层 ans代表是上一层
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}
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if node.Left!=nil{
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queue.PushBack(node.Left)
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}
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if node.Right!=nil{
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queue.PushBack(node.Right)
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}
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}
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ans++//记录层数
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}
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return ans+1
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}
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```
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JavaScript:
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