There are N network nodes, labelled 1 to N. Given times, a list of travel times as directededges times[i] = (u, v, w), where u is the source node, v is the target node, and w is the time it takes for a signal to travel from source to target. Now, we…

原题链接在这里:https://leetcode.com/problems/network-delay-time/ 题目: There are N network nodes, labelled 1 to N. Given times, a list of travel times as directed edges times[i] = (u, v, w), where u is the source node, v is the target node, and w is the time…

[LeetCode]743. Network Delay Time 解题报告(Python) 标签(空格分隔): LeetCode 作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 题目地址:https://leetcode.com/problems/network-delay-time/description/ 题目描述: There are N network nodes, labelled 1 to N. Given times…

题目来源: https://leetcode.com/problems/network-delay-time/ 自我感觉难度/真实难度: 题意: 分析: 自己的代码: class Solution: def networkDelayTime(self, times, N, K): """ :type times: List[List[int]] :type N: int :type K: int :rtype: int """ K-=1 node…

题目: There are N network nodes, labelled 1 to N. Given times, a list of travel times as directed edges times[i] = (u, v, w), where u is the source node, v is the target node, and w is the time it takes for a signal to travel from source to target. Now…

There are N network nodes, labelled 1 to N. Given times, a list of travel times as directed edges times[i] = (u, v, w), where u is the source node, v is the target node, and w is the time it takes for a signal to travel from source to target. Now, we…

There are N network nodes, labelled 1 to N. Given times, a list of travel times as directed edges times[i] = (u, v, w), where u is the source node, v is the target node, and w is the time it takes for a signal to travel from source to target. Now, we…

There are N network nodes, labelled 1 to N. Given times, a list of travel times as directededges times[i] = (u, v, w), where u is the source node, v is the target node, and w is the time it takes for a signal to travel from source to target. Now, we…

""" here are N network nodes, labelled 1 to N. Given times, a list of travel times as directed edges times[i] = (u, v, w), where u is the source node, v is the target node, and w is the time it takes for a signal to travel from source to ta…

743. 网络延迟时间 有 N 个网络节点,标记为 1 到 N. 给定一个列表 times,表示信号经过有向边的传递时间. times[i] = (u, v, w),其中 u 是源节点,v 是目标节点, w 是一个信号从源节点传递到目标节点的时间. 现在,我们从某个节点 K 发出一个信号.需要多久才能使所有节点都收到信号?如果不能使所有节点收到信号,返回 -1. 示例: 输入:times = [[2,1,1],[2,3,1],[3,4,1]], N = 4, K = 2 输出:2 注意: N 的…