摘要: permutationTime Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 141 Accepted Submission(s): 81 Problem DescriptionPermutation plays a very important role in Combinatorics. For example ,1 2 3 4 5 and 1 3 5 4 2 are both 5-permutations. As everyone's 阅读全文
posted @ 2014-02-14 23:30 ForeverEnjoy 阅读(210) 评论(0) 推荐(0)