590. N-ary Tree Postorder Traversal-N叉树的后序遍历
Given an n-ary tree, return the postorder traversal of ... » 阅读全文
Given an n-ary tree, return the postorder traversal of ... » 阅读全文
Given an n-ary tree, return the preorder traversal of i... » 阅读全文
Alice has n candies, where the i^{th} candy is of type ... » 阅读全文
In MATLAB, there is a very useful function called ̵... » 阅读全文
Given the root of a binary tree, return the sum of ever... » 阅读全文
Given an integer array nums of 2n integers, group these... » 阅读全文
Given a n-ary tree, find its maximum depth. The maximum... » 阅读全文
Given a string, you need to reverse the order of charac... » 阅读全文
You are given a string representing an attendance recor... » 阅读全文
Given a binary tree, you need to compute the length of ... » 阅读全文