Starting with anundirectedgraph the original graph with nodes from to N , subdivisions are made to some of the edges. The graph is given as follows:edges k is a list of integer pairs i, j, n such tha ...
2019-06-23 23:49 0 809 推荐指数：
An undirected, connected graph of N nodes (labeled `0, 1, 2, ..., N-1`) is given as `graph`. graph.length = N, and j != i is in the list graph[i ...
Given a Binary Search Tree (BST) with the root node root, return the minimum difference between the values of any two different nodes in the tree. ...
Given a binary tree rooted at `root`, the *depth* of each node is the shortest distance to the root ...
We are given a binary tree (with root node `root`), a `target` node, and an integer value `K`. Return a list of the values of all nodes that have ...
Given n nodes labeled from 0 to n - 1 and a list of undirected edges (each edge is a pair of nodes), write a function to find the number of connected ...
Given a linked list, swap every two adjacent nodes and return its head. For example,Given 1->2->3->4, you should return the list as 2-> ...
Given n nodes labeled from 0 to n - 1 and a list of undirected edges (each edge is a pair of nodes), write a function to find the number ...
原题地址：http://oj.leetcode.com/problems/swap-nodes-in-pairs/ 题意：将链表中的节点两两交换。Given 1->2->3->4, you should return the list as 2->1->4-> ...
