Option 1: The system can update the cost of that specific shortcut in the base graph and quickly re-run the Dijkstra search (Step 2) on the abstract graph to find an alternative high-level path.
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Parents will also be able to view expert-designed content to talk to their teen about suicidal feelings, if they so choose. In cases of imminent physical harm, Instagram will notify emergency services, a long-standing policy.
Source: Computational Materials Science, Volume 266