Practice Find Eventual Safe States
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Find Eventual Safe States
There is a directed graph of n nodes with each node labeled from 0 to n - 1. The graph is represented by a 0-indexed 2D integer array graph where graph[i] is an integer array of nodes adjacent to node i, meaning there is an edge from node i to each node in graph[i]. A node is a terminal node if there are no outgoing edges. A node is a safe node if every possible path starting from that node leads to a terminal node (or another safe node). Return an array containing all the safe nodes of the graph. The answer should be sorted in ascending order.
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Understanding the Find Eventual Safe States Problem
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Problem Statement
There is a directed graph of n nodes with each node labeled from 0 to n - 1. The graph is represented by a 0-indexed 2D integer array graph where graph[i] is an integer array of nodes adjacent to node i, meaning there is an edge from node i to each node in graph[i]. A node is a terminal node if there are no outgoing edges. A node is a safe node if every possible path starting from that node leads to a terminal node (or another safe node). Return an array containing all the safe nodes of the graph. The answer should be sorted in ascending order.
Source: Find Eventual Safe States on LeetCode. Use the original task for its coding environment and submissions.
Find Eventual Safe States
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Examples
# Example 1
graph = [[1,2],[2,3],[5],[0],[5],[],[]]
[2,4,5,6]
# Example 2
graph = [[1,2,3,4],[1,2],[3,4],[0,4],[]]
[4]
Constraints
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