The scale of the problem is the recent informatics competition is a new trend, it intended to achieve by expanding the amount of data to increase the algorithm design and programming difficulty, which a higher level of requirements to the Olympiad players, this article attempts to explore some of thegeneral strategy to solve such problems. The paper gives the definition of the term "scale", which will be divided into horizontal expansion and vertical expansion of the two types, were discussed. Solution to explore the problem of horizontal expansion when this article is to plan strategy, "dimensionality reduction" ideology as the main object focus on the scale of problems, the first two strategies- decomposition and streamline the law, and then combined with a specific example of "pruning" in the large-scale problems. The scale of the problem is the the informatics race closer to the practical application of an embodiment and therefore can not be ignored significance.

谢婧.doc
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