2015 年 9月 11 日随笔档案 - _fukua

2015年9月11日

摘要： User ainta has a permutationp1, p2, ..., pn. As the New Year is coming, he wants to make his permutation as pretty as possible.Permutationa1, a2, ...,... 阅读全文

posted @ 2015-09-11 22:00 _fukua 阅读(241) 评论(0) 推荐(0)