uva 307 Sticks(DFS+ 剪枝)

博客介绍了如何解决UVA 307编程问题,即通过深度优先搜索(DFS)找回被切割的相同长度木棍的原始长度。文章提到了四个关键的剪枝策略,包括确保拼接后的长度是所有部分总和的约数、按长度对木棍排序、避免重复考虑相同长度的木棍以及在无法找到合适组合时提前终止搜索。

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 Sticks 

George took sticks of the same length and cut them randomly until all parts became at most 50 units long. Now he wants to return sticks to the original state, but he forgot how many sticks he had originally and how long they were originally. Please help him and design a program which computes the smallest possible original length of those sticks. All lengths expressed in units are integers greater than zero.

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