How to Solve Maximum Sum of Edge Values in a Graph Problem
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Maximum Sum of Edge Values in a Graph
You are given an undirected connected graph of n nodes, numbered from 0 to n - 1. Each node is connected to at most 2 other nodes. The graph consists of m edges, represented by a 2D array edges, where...
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Understanding the Maximum Sum of Edge Values in a Graph Problem
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Problem Statement
You are given an undirected connected graph of n nodes, numbered from 0 to n - 1. Each node is connected to at most 2 other nodes. The graph consists of m edges, represented by a 2D array edges, where edges[i] = [ai, bi] indicates that there is an edge between nodes ai and bi. You have to assign a unique value from 1 to n to each node. The value of an edge will be the product of the values assigned to the two nodes it connects. Your score is the sum of the values of all edges in the graph. Return the maximum score you can achieve.
Maximum Sum of Edge Values in a Graph
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Examples
n = 4, edges = [[0,1],[1,2],[2,3]]23The diagram above illustrates an optimal assignment of values to nodes. The sum of the values of the edges is: (1 * 3) + (3 * 4) + (4 * 2) = 23.
n = 6, edges = [[0,3],[4,5],[2,0],[1,3],[2,4],[1,5]]82The diagram above illustrates an optimal assignment of values to nodes. The sum of the values of the edges is: (1 * 2) + (2 * 4) + (4 * 6) + (6 * 5) + (5 * 3) + (3 * 1) = 82.
Constraints
1 <= n <= 5 * 104m == edges.length1 <= m <= nedges[i].length == 20 <= ai, bi < nai != biThere are no repeated edges.The graph is connected.Each node is connected to at most 2 other nodes.How Interview Coder Helps with Leetcode Problems
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