Mathematics, 29.03.2021 15:30 jennifer7037
In this problem, we need to decide whether there is a feasible plan for all the persons in a building to escape when they meet some emergency issues. More specifically, a building is described as an n by n grid and the position of p persons are represented as the integer points (x1, y1), .., (xp, yp) in the building. Note that to ensure safety, we don’t allow any intersection between the paths of any two person. Therefore, your task is to decide whether there exist p vertex-disjoint paths from their starting points to any p different points on the boundary of the grid. Give an algorithm polynomial in n and prove the correctness of it.
Answers: 3
Mathematics, 21.06.2019 19:00, william03300
Aflower has 26 chromosomes. to create a new flower, how many would a sperm cell have what is called?
Answers: 1
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