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A2Z Sheet

401. Bridges in graph

Hard
Step 15: Graphs [Concepts & Problems]›Other Algorithms

Bridges in graph

HardFunction: bridgesInGraph()
ASCI Mission Breakdown • Simple as Hell
"Master Bridges in graph: Take `n` (number) and `edges` (number[][]), execute an optimal other algorithms strategy, and return boolean with clean edge-case handling."
Real-World Metaphor:

Think of Bridges in graph as an everyday real-world challenge: you receive input data, inspect its elements in sequence without making unnecessary duplicate passes, and transform the collection to reach the exact target without wasting computer memory.

Interactive Visual WalkthroughFLOW-DIAGRAM
Step 1 / 3
StatusInitialized
ModeScanning
Evaluating

1. Initialize State for Bridges in graph

Load inputs and initialize algorithmic registers.

How to Think About This (Mental Model)

  1. Unpack the problem parameters (`n` (number) and `edges` (number[][])) and clarify what is given vs what must be returned.
  2. Identify the optimal data structure or pattern (e.g. pointers, hash map, or stack) to avoid redundant recalculations.
  3. Walk through state transitions, handle edge cases (empty collections, single items, negative numbers), and return the verified result.

Given `n` nodes and an edge list `edges` representing a network graph, determine the solution for **Bridges in graph**. Identify connected components, cycles, or shortest paths.

Examples

Example 1
Input: n = 4, edges = [[0,1],[1,2],[2,3]]
Output: true

Constraints

  • 1 <= n <= 2000
  • 0 <= edges.length <= 5000
Topic Tags:
Graphs [Concepts & Problems]Other AlgorithmsbridgesInGraph
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