该博客主要介绍了如何解决poj 2404问题，即找到使所有边至少遍历一次并回到原点的最小额外距离，以便形成欧拉回路。博主通过FLOYD算法和状态压缩动态规划的方法进行求解，并给出了详细的代码实现。
Description
Gord is training for a marathon. Behind his house is a park with a large network of jogging trails connecting water stations. Gord wants to find the shortest jogging route that travels along every trail at least once.
Input
Input consists of several test cases. The first line of input for each case contains two positive integers: n <= 15, the number of water stations, and m < 1000, the number of trails. For each trail, there
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