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Authors:
Michael T. Goodrich, Roberto Tamassia, Michael H. Goldwasser
Chapter:
Text Processing
Exercise:
Exercises
Question:35 | ISBN:9781118771334 | Edition: 6

Question

In the art gallery guarding problem we are given a line L that represents a long hallway in an art gallery. We are also given a set X = {x0,x1, . . . ,xn−1} of real numbers that specify the positions of paintings in this hallway. Suppose that a single guard can protect all the paintings within distance at most 1 of his or her position (on both sides). Design an algorithm for finding a placement of guards
that uses the minimum number of guards to guard all the paintings with positions in X.

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