goden0401

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Published: Aug 9, 2023 License: GPL-3.0 Imports: 0 Imported by: 0

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面试题 04.01.节点间通路

1. 题目描述

节点间通路。给定有向图,设计一个算法,找出两个节点之间是否存在一条路径。

示例1:

输入:n = 3, graph = [[0, 1], [0, 2], [1, 2], [1, 2]], start = 0, target = 2
输出:true

示例2:

 输入:n = 5, graph = [[0, 1], [0, 2], [0, 4], [0, 4], [0, 1], [1, 3], [1, 4], [1, 3], [2, 3], [3, 4]], start = 0, target = 4
 输出 true

提示:

  • 节点数量n在[0, 1e5]范围内。
  • 节点编号大于等于 0 小于 n。
  • 图中可能存在自环和平行边。

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2. 解题

Documentation

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