108. Convert Sorted Array to Binary Search Tree
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/** * Definition for a binary tree node. * public class TreeNode { * int val; * TreeNode left; * TreeNode right; * TreeNode(int x) { val = x; } * } */public class Solution { public TreeNode sortedArrayToBST(int[] nums) { if(nums == null || nums.length == 0){ return null; } return helper(nums, 0, nums.length-1); } public TreeNode helper(int[] nums, int i, int j){ if(i>j){ return null; } int m = i + (j-i)/2; TreeNode node = new TreeNode(nums[m]); node.left = helper(nums, i, m-1); node.right = helper(nums, m+1, j); return node; }}阅读全文
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- Convert Sorted Array to Binary Search Tree
- Convert Sorted Array to Binary Search Tree
- Convert Sorted Array to Binary Search Tree
- Convert Sorted Array to Binary Search Tree
- Convert Sorted Array to Binary Search Tree
- Convert Sorted Array to Binary Search Tree
- Convert Sorted Array to Binary Search Tree
- Convert Sorted Array to Binary Search Tree
- Convert Sorted Array to Binary Search Tree
- Convert Sorted Array to Binary Search Tree
- Convert Sorted Array to Binary Search Tree
- Convert Sorted Array to Binary Search Tree
- Convert Sorted Array to Binary Search Tree
- Convert Sorted Array to Binary Search Tree
- Convert Sorted Array to Binary Search Tree
- Convert Sorted Array to Binary Search Tree
- Convert Sorted Array to Binary Search Tree
- Convert Sorted Array to Binary Search Tree
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- 108. Convert Sorted Array to Binary Search Tree
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