路径总和 113.路径总和ii● 106.从中序与后序遍历序列构造二叉树 105.从前序与中序遍历序列构造二叉树
找树左下角的值题目链接/文章讲解/视频讲解:代码随想录递归classSolution{intDeep=-1;intvalue;publicintfindBottomLeftValue(TreeNoderoot){value=root.val;findLeftValue(root,0);returnvalue;}publicvoidfindLeftValue(TreeNoderoot,intdeep