摘要：There are n houses in the village and some bidirectional roads connecting them. Every day peole always like to ask like this "How far ... 阅读全文

摘要：题目描述给一n \times nn×n的字母方阵，内可能蕴含多个“yizhong”单词。单词在方阵中是沿着同一方向连续摆放的。摆放可沿着 88个方向的任一方向，同一单词摆放时不再改变方向，单词与单词之间可以交叉,因此有可能共用字母。输出时，将不是单词的字母用*代替，以... 阅读全文