How to Solve Network Recovery Pathways Problem
Master the Network Recovery Pathways LeetCode problem with undetectable real-time assistance. Get instant solutions and explanations during your coding interviews.
Interview Coder generates complete solutions and debugging hints that you can use while explaining your approach, so you stay calm and in control.
Network Recovery Pathways
You are given a directed acyclic graph of n nodes numbered from 0 to n − 1. This is represented by a 2D array edges of length m, where edges[i] = [ui, vi, costi] indicates a one‑way communication from...
Interview Coder will help you solve this problem in real-time during your interview
✨ Get instant solutions, explanations, and code generation
Understanding the Network Recovery Pathways Problem
Let's break down this LeetCode problem and understand what makes it challenging in interview settings.
Problem Statement
You are given a directed acyclic graph of n nodes numbered from 0 to n − 1. This is represented by a 2D array edges of length m, where edges[i] = [ui, vi, costi] indicates a one‑way communication from node ui to node vi with a recovery cost of costi. Some nodes may be offline. You are given a boolean array online where online[i] = true means node i is online. Nodes 0 and n − 1 are always online. A path from 0 to n − 1 is valid if: All intermediate nodes on the path are online. The total recovery cost of all edges on the path does not exceed k. For each valid path, define its score as the minimum edge‑cost along that path. Return the maximum path score (i.e., the largest minimum-edge cost) among all valid paths. If no valid path exists, return -1.
Network Recovery Pathways
Related Topics
How Interview Coder Helps
Get real-time assistance for Network Recovery Pathways problems during coding interviews. Interview Coder provides instant solutions and explanations.
Examples
edges = [[0,1,5],[1,3,10],[0,2,3],[2,3,4]], online = [true,true,true,true], k = 103The graph has two possible routes from node 0 to node 3: Path 0 → 1 → 3 Total cost = 5 + 10 = 15, which exceeds k (15 > 10), so this path is invalid. Path 0 → 2 → 3 Total cost = 3 + 4 = 7 <= k, so this path is valid. The minimum edge‐cost along this path is min(3, 4) = 3. There are no other valid paths. Hence, the maximum among all valid path‐scores is 3.
edges = [[0,1,7],[1,4,5],[0,2,6],[2,3,6],[3,4,2],[2,4,6]], online = [true,true,true,false,true], k = 126Node 3 is offline, so any path passing through 3 is invalid. Consider the remaining routes from 0 to 4: Path 0 → 1 → 4 Total cost = 7 + 5 = 12 <= k, so this path is valid. The minimum edge‐cost along this path is min(7, 5) = 5. Path 0 → 2 → 3 → 4 Node 3 is offline, so this path is invalid regardless of cost. Path 0 → 2 → 4 Total cost = 6 + 6 = 12 <= k, so this path is valid. The minimum edge‐cost along this path is min(6, 6) = 6. Among the two valid paths, their scores are 5 and 6. Therefore, the answer is 6.
Constraints
n == online.length2 <= n <= 5 * 1040 <= m == edges.length <= min(105, n * (n - 1) / 2)How Interview Coder Helps with Leetcode Problems
Trust anchors reduce friction for conversion. Reinforce undetectability claims, platform compatibility, user counts, and the free trial to remove perceived risk.
See Interview Coder in Action
Watch how Interview Coder helps solve LeetCode problems during live interviews
Undetectability Checklist
Platform Compatibility
User results and traction
More than 87,000 developers use Interview Coder and early launch metrics showed rapid adoption. Social proof signals that this approach helps real candidates land offers across a range of companies.
Undetectability and technical details
Our native desktop architecture avoids common detection vectors used by browser extensions. We provide a clear checklist so you can run basic checks and confirm the app will be invisible during live interviews.
Platform compatibility and limitations
We work with Zoom, HackerRank, CodeSignal, CoderPad and other web based platforms, with a known list of app version caveats. Check the compatibility note and request a browser link if a specific desktop app is unsupported.
Frequently Asked Questions
Common questions about solving Network Recovery Pathways and using Interview Coder during coding interviews.
Interview Coder generates complete solutions instantly with proper complexity analysis, letting you focus on explaining your approach and demonstrating problem-solving skills rather than getting stuck on implementation details during high-pressure situations.
Ready to Get Started?
Download Interview Coder now and join thousands of developers who have aced their coding interviews