摘要：
题目地址：http://ac.jobdu.com/problem.php?pid=1468题目描述： To store English words, one method is to use linked lists and store a word letter by letter. To sav... 阅读全文
摘要：
题目地址：http://ac.jobdu.com/problem.php?pid=1437题目描述： With highways available, driving a car from Hangzhou to any other city is easy. But since the tank ... 阅读全文