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祖玛(Zuma) Description Let's play the game Zuma! There are a sequence of beads on a track at the right beginning. All the beads are colored but no three 阅读全文
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重名剔除(Deduplicate) Description Mr. Epicure is compiling an encyclopedia of food. He had collected a long list of candidates nominated by several belly 阅读全文
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真二叉树重构(Proper Rebuild) Description In general, given the preorder traversal sequence and postorder traversal sequence of a binary tree, we cannot dete 阅读全文
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无线广播(Broadcast) Description A broadcaster wants to set up a radio broadcast transmitter in an area. There are n towns in the area, and each town has a 阅读全文
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玩具(Toy) Description ZC God is best at logical reasoning. One day, he talks about his childhood digital toys. The toy is like a Rubik's cube, but not a 阅读全文
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循环移位(Cycle) Description Cycle shifting refers to following operation on the sting. Moving first letter to the end and keeping rest part of the string. 阅读全文
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旅行商(TSP) Description Shrek is a postman working in the mountain, whose routine work is sending mail to n villages. Unfortunately, road between village 阅读全文
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平均气温(Temperature) Description A weather station collects temperature data from observation stations all over the country every day, and provides stati 阅读全文
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任务调度(Schedule) Description A HPS cluster is equipped with a unique task scheduler. To be simple, it is assumed that this cluster doesn’t support multi 阅读全文
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灯塔(LightHouse) Description As shown in the following figure, If another lighthouse is in gray area, they can beacon each other. For example, in follow 阅读全文
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范围查询(Range) Descriptioin Let S be a set of n integral points on the x axis. For each given interval [a, b], you are asked to count the points lying in 阅读全文
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列车调度(Train) Description Figure 1 shows the structure of a station for train dispatching. Figure 1 In this station, A is the entrance for each train an 阅读全文