这是一道字符串建模+图论的问题。 题目描述 Byteasar breeds hamsters. Each hamster has a unique name, consisting of lower case letters of the English alphabet. The ha...
这是一道字符串建模+图论的问题。 题目描述 Byteasar breeds hamsters. Each hamster has a unique name, consisting of lower case letters of the English alphabet. The ha...