2020年7月23日
[POJ3280]Cheapest Palindrome（区间dp）
摘要： 【原题】 Description Keeping 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 阅读全文
posted @ 2020-07-23 19:32 kurum! 阅读(142) 评论(0) 推荐(0)