2013年6月27日
codeforces-320A-Magic Numbers
摘要： http://codeforces.com/problemset/problem/320/AA magic number is a number formed by concatenation of numbers 1, 14 and 144. We can use each of these nu... 阅读全文
posted @ 2013-06-27 23:37 JKXQJ 阅读(1150) 评论(0) 推荐(0)