2016年9月29日

To and Fro
摘要： Description Mo and Larry have devised a way of encrypting messages. They first decide secretly on the number of columns and write the message (letters 阅读全文
posted @ 2016-09-29 13:23 阿宝的锅锅 阅读(181) 评论(0) 推荐(0)
 
Best Cow Fences_二分&&DP
摘要： Description Farmer John's farm consists of a long row of N (1 <= N <= 100,000)fields. Each field contains a certain number of cows, 1 <= ncows <= 2000 阅读全文
posted @ 2016-09-29 13:22 阿宝的锅锅 阅读(227) 评论(0) 推荐(0)