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In a direction in accordance with the East-West and North-South divided into regular city blocks, n and the distribution of settlements scattered in different neighborhoods in. Things used to express the coordinates x, y coordinates used to express the North and the South. The location of the settlements by the coordinates (x, y) express. Arbitrary blocks 2:00 (x1, y1) and (x2, y2) can use the distance between the values | x1-x2 |+ | Y1-y2 | metrics. Residents want the city to select the best location to establish post offices, so that n settlements to the post office the sum of the smallest distance.
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2-3邮局选址问题\邮局选址问题.doc
2-3邮局选址问题\2-3邮局选址问题