作者: zyl910 一.缘由 最近有在对接一个无证书的HTTPS接口时,总是收到"SSLHandshakeException: DHPublicKey does not comply to algorithm constraints"异常. 通过浏览器.telnet测试了接口地址,确认了TCP层是通的.看来只是HTTPS层没通. 可是试验了好几个网上找到的"绕过证书验证调HTTPS接口"的办法,均也报这个错误,无法调通接口. 后来问了很多人,才终于找到处理办法.便…
Given an array of numbers, verify whether it is the correct preorder traversal sequence of a binary search tree. You may assume each number in the sequence is unique. Follow up: Could you do it using only constant space complexity? 这道题让给了我们一个一维数组,让我们…
Given a binary tree, determine if it is a valid binary search tree (BST). Assume a BST is defined as follows: The left subtree of a node contains only nodes with keys less than the node's key. The right subtree of a node contains only nodes with keys…
题目:验证二叉搜索树 难度:Medium 题目内容: Given a binary tree, determine if it is a valid binary search tree (BST). Assume a BST is defined as follows: The left subtree of a node contains only nodes with keys less than the node's key. The right subtree of a node co…