Merge branch 'master' of github.com:soapyigu/LeetCode_Swift

soapyigu · soapyigu · commit 39adf3505e89 · 2019-04-07T11:20:13.000-07:00
diff --git a/Tree/ValidateBinarySearchTree.swift b/Tree/ValidateBinarySearchTree.swift
@@ -21,15 +21,15 @@ class ValidateBinarySearchTree {
         return _helper(root, nil, nil)
     }
     
-    private func _helper(node: TreeNode?, _ min: Int?, _ max: Int?) -> Bool {
+    private func _helper(_ node: TreeNode?, _ min: Int?, _ max: Int?) -> Bool {
         guard let node = node else {
             return true
         }
         
-        if let min = min, root.val <= min {
+        if let min = min, node.val <= min {
             return false
         }
-        if let max = max, root.val >= max {
+        if let max = max, node.val >= max {
             return false
         }
         

Original file line number	Diff line number	Diff line change
`@@ -21,15 +21,15 @@ class ValidateBinarySearchTree {`
`21`	`21`	`return _helper(root, nil, nil)`
`22`	`22`	`}`
`23`	`23`
`24`		`- private func _helper(node: TreeNode?, _ min: Int?, _ max: Int?) -> Bool {`
	`24`	`+ private func _helper(_ node: TreeNode?, _ min: Int?, _ max: Int?) -> Bool {`
`25`	`25`	`guard let node = node else {`
`26`	`26`	`return true`
`27`	`27`	`}`
`28`	`28`
`29`		`- if let min = min, root.val <= min {`
	`29`	`+ if let min = min, node.val <= min {`
`30`	`30`	`return false`
`31`	`31`	`}`
`32`		`- if let max = max, root.val >= max {`
	`32`	`+ if let max = max, node.val >= max {`
`33`	`33`	`return false`
`34`	`34`	`}`
`35`	`35`