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The frequent subset problem is defined as follows. Suppose U={1, 2,…\ldots…,N} is the universe, and S1S_{1}S1, S2S_{2}S2,…\ldots…,SMS_{M}SM a 阅读全文
posted @ 2017-09-24 20:59
starry_sky
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Let S be a sequence of integers s1s_{1}s1, s2s_{2}s2, ........., sns_{n}sn Each integer is is associated with a weight by the following rules 阅读全文
posted @ 2017-09-24 20:57
starry_sky
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There are nnn rectangles on the plane. The problem is to find the area of the union of these rectangles. Note that these rectangles might overlap with 阅读全文
posted @ 2017-09-24 20:53
starry_sky
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You are given a list of train stations, say from the station to the station 100. The passengers can order several tickets from one station to another 阅读全文
posted @ 2017-09-24 20:50
starry_sky
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