文章分类 -  codeforces

http://codeforces.com/contest/351/problem/E
摘要：E. Jeff and Permutationtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputJeff's friends know full ... 阅读全文
posted @ 2014-08-17 22:52 MIND KING 阅读(137) 评论(0) 推荐(0)