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Minimum Routing Delay Solution

Problem Statement

Given an array of message intervals and an array of node delays, determine the most efficient routing to minimize the total delay.

Example 1
Input
[[1, 5], [2, 4], [3, 6], [7, 3], [1, 2]]
Output
3

Explanation: The optimal routing has delays 2, 3, and 1 respectively.

Constraints

  • 1 ≤ nodes.length ≤ 10^5
  • 1 ≤ nodes[i][0] ≤ 10^6
  • 1 ≤ delay[i] ≤ 10^9
  • Messages may overlap

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