题目：classSolution{public:TreeNode*lowestCommonAncestor(TreeNode*root,TreeNode*p,TreeNode*q){if(root==p||root==q||root==nullptr)returnroot;//如果当前节点为空或者当前节点即为其中某个指定节点TreeNode*left=lowestCommo

力扣（LeetCode）官网-全球极客挚爱的技术成长平台1TreeNode*lowestCommonAncestor(TreeNode*root,TreeNode*p,TreeNode*q){2if(root==nullptr||root==p||root==q)returnroot;3//如果该结点比两个结点都大或则都小，则只需要搜索右子树或左子树，而

题目：classSolution{public:TreeNode*lowestCommonAncestor(TreeNode*root,TreeNode*p,TreeNode*q){//依旧要利用二叉搜索树的性质if(root->val>p->val&&root->val>q->val)returnlowestCommonAncestor(root->left,p,q);/

classSolution{public:TreeNode*lowestCommonAncestor(TreeNode*root,TreeNode*p,TreeNode*q){if(p->val<root->val&&q->val<root->val)returnlowestCommonAncestor(root->left,p,q);if(p->v

LeetCode:236.LowestCommonAncestorofaBinaryTree题目描述Givenabinarytree,findthelowestcommonancestor(LCA)oftwogivennodesinthetree.Accordi

一.递归publicTreeNodelowestCommonAncestor(TreeNoderoot,TreeNodep,TreeNodeq){if(root.val<p.val&&root.val<q.val)return