ncst

Find any position of a target number in a sorted array. Return -1 if target does not exist.java实现public class Solution { /* * @param nums: An integer array sorted in ascending order * @p...

二叉树的前序遍历（非递归）（小米云计算一面）java/** * Definition of TreeNode: * public class TreeNode { * public int val; * public TreeNode left, right; * public TreeNode(int val) { * this.val = v...