2337
[LeetCode] 2337. Move Pieces to Obtain a String
You are given two strings start and target, both of length n. Each string consists only of the characters 'L', 'R', and '_' where: The characters 'L' ......
POJ 2337 Catenyms
##[$POJ$ $2337$ $Catenyms$](http://poj.org/problem?id=2337) 给出$n$个单词，求出最小字典序的头尾连接方案。 **有向图欧拉路径** 板子题。 把每个单词当做边，头字母和尾字母当做节点，建完跑 **有向图欧拉路径** 即可。 ```cpp ......