3],[2,3,5],[0,3,1]] Explanation: The graph above shows a modified graph having the shortest distance from 0 to 2 as 6.

Solution

Method 1 - Dijkstra Algorithm

The code aims to modify edges in an undirected weighted graph such that the shortest path from a given source to a destination equals a specified target distance. It specifically updates edges initially marked with a weight of -1 to achieve this.

Here are the steps:

Building the Graph:
- Uses buildGraph(int[][] edges) to create an adjacency list representation of the graph, excluding edges with a weight of -1.
Initial Shortest Path Calculation:
- Runs

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