Commit c0e012e

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tree pruning

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+14

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Lines changed: 14 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,14 @@`
	`1`	`+object Solution {`
	`2`	`+ def pruneTree(root: TreeNode): TreeNode = {`
	`3`	`+ if (root == null) null`
	`4`	`+ else{`
	`5`	`+ root.left = pruneTree(root.left)`
	`6`	`+ root.right = pruneTree(root.right)`
	`7`	`+ if (root.value == 0 && root.left == null && root.right == null){`
	`8`	`+ null`
	`9`	`+ }else{`
	`10`	`+ root`
	`11`	`+ }`
	`12`	`+ }`
	`13`	`+ }`
	`14`	`+}`

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