2017年10月8日
hdu 4055--Number String（DP）
摘要： 题目链接 Problem Description The signature of a permutation is a string that is computed as follows: for each pair of consecutive elements of the permutat 阅读全文
posted @ 2017-10-08 20:07 茶飘香~ 阅读(396) 评论(0) 推荐(0) 编辑