From 565a030602f268018fdb4a99334bd2d246695d49 Mon Sep 17 00:00:00 2001 From: Yi Gu Date: Sat, 9 Apr 2016 13:41:32 -0700 Subject: [PATCH] [Tree] refactor for loop in Zigzag and Level Order Traversal --- Tree/BinaryTreeLevelOrderTraversal.swift | 2 +- Tree/BinaryTreeLevelOrderTraversalII.swift | 2 +- Tree/BinaryTreeZigzagLevelOrderTraversal.swift | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/Tree/BinaryTreeLevelOrderTraversal.swift b/Tree/BinaryTreeLevelOrderTraversal.swift index 4425012f..7821c08c 100644 --- a/Tree/BinaryTreeLevelOrderTraversal.swift +++ b/Tree/BinaryTreeLevelOrderTraversal.swift @@ -29,7 +29,7 @@ class BinaryTreeLevelOrderTraversal { var size: Int = queue.count var level: [Int] = [] - for i in 1...size { + for _ in 1...size { let node: TreeNode = queue[0] queue.removeAtIndex(0) diff --git a/Tree/BinaryTreeLevelOrderTraversalII.swift b/Tree/BinaryTreeLevelOrderTraversalII.swift index 9e08d44e..1f45a336 100644 --- a/Tree/BinaryTreeLevelOrderTraversalII.swift +++ b/Tree/BinaryTreeLevelOrderTraversalII.swift @@ -32,7 +32,7 @@ class BinaryTreeLevelOrderTraversalII { var size: Int = queue.count var level: [Int] = [] - for i in 1...size { + for _ in 1...size { let node: TreeNode = queue[0] queue.removeAtIndex(0) diff --git a/Tree/BinaryTreeZigzagLevelOrderTraversal.swift b/Tree/BinaryTreeZigzagLevelOrderTraversal.swift index e2ad6a40..31aec54a 100644 --- a/Tree/BinaryTreeZigzagLevelOrderTraversal.swift +++ b/Tree/BinaryTreeZigzagLevelOrderTraversal.swift @@ -32,7 +32,7 @@ class BinaryTreeZigzagLevelOrderTraversal { var size: Int = queue.count var level: [Int] = [] - for i in 1...size { + for _ in 1...size { let node: TreeNode = queue[0] queue.removeAtIndex(0)