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题目In the movie "Blues Brothers", the orphanage where Elwood and Jack were raised may be sold to the Board of Education if they do not pay 5000 dollars 阅读全文
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题目You are assigned to design network connections between certain points in a wide area. You are given a set of points in the area, and a set of possib 阅读全文
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题目The Department of National Defence (DND) wishes to connect several northern outposts by a wireless network. Two different communication technologies 阅读全文
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题目 You are given a weighted undirected graph. The vertices are enumerated from 1 to n. Your task is to find the shortest path between the vertex 1 and 阅读全文
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题目 One day n cells of some array decided to play the following game. Initially each cell contains a number which is equal to it's ordinal number (star 阅读全文