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Add Go into 337.打家劫舍III.md

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`@@ -368,6 +368,41 @@ class Solution:`
`368`	`368`	`return (val1, val2)`
`369`	`369`	```
`370`	`370`
	`371`	`+Go:`
	`372`	`+`
	`373`	`+> 动态规划`
	`374`	`+`
	`375`	+```go
	`376`	`+func rob(root *TreeNode) int {`
	`377`	`+ res := robTree(root)`
	`378`	`+ return max(res[0], res[1])`
	`379`	`+}`
	`380`	`+`
	`381`	`+func max(a, b int) int {`
	`382`	`+ if a > b {`
	`383`	`+ return a`
	`384`	`+ }`
	`385`	`+ return b`
	`386`	`+}`
	`387`	`+`
	`388`	`+func robTree(cur *TreeNode) []int {`
	`389`	`+ if cur == nil {`
	`390`	`+ return []int{0, 0}`
	`391`	`+ }`
	`392`	`+ // 后序遍历`
	`393`	`+ left := robTree(cur.Left)`
	`394`	`+ right := robTree(cur.Right)`
	`395`	`+`
	`396`	`+ // 考虑去偷当前的屋子`
	`397`	`+ robCur := cur.Val + left[0] + right[0]`
	`398`	`+ // 考虑不去偷当前的屋子`
	`399`	`+ notRobCur := max(left[0], left[1]) + max(right[0], right[1])`
	`400`	`+`
	`401`	`+ // 注意顺序:0:不偷,1:去偷`
	`402`	`+ return []int{notRobCur, robCur}`
	`403`	`+}`
	`404`	+```
	`405`	`+`
`371`	`406`	`JavaScript:`
`372`	`407`
`373`	`408`	`> 动态规划`

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