2013年9月19日
hdu 三部曲 Cheapest Palindrome
摘要： Problem DescriptionKeeping track of all the cows can be a tricky task so Farmer John has installed a system to automate it. He has installed on each cow an electronic ID tag that the system will read as the cows pass by a scanner. Each ID tag's contents are currently a single string with length 阅读全文
posted @ 2013-09-19 10:48 persistent codeants 阅读(238) 评论(0) 推荐(0)