题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=2689 Sort it Problem Description You want to processe a sequence of n distinct integers by swapping two adjacent sequence elements until the sequence is sorted in ascending order. Then how many times it …
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=2689 题目分析:求至少交换多少次可排好序,可转换为逆序对问题. 用冒泡排序较为简单,复杂度较大~~ 也可用归并排序,复杂度O(lognn), 统计个数后复杂都不变. /* Sort it Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2660…
Sort it Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4672 Accepted Submission(s): 3244 Problem Description You want to processe a sequence of n distinct integers by swapping two adjacent s…
Sort it Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4679 Accepted Submission(s): 3250 Problem Description You want to processe a sequence of n distinct integers by swapping two adjacent s…
Sort it You want to processe a sequence of n distinct integers by swapping two adjacent sequence elements until the sequence is sorted in ascending order. Then how many times it need. For example, 1 2 3 5 4, we only need one operation : swap 5 and 4.…
Problem Description You want to processe a sequence of n distinct integers by swapping two adjacent sequence elements until the sequence is sorted in ascending order. Then how many times it need. For example, 1 2 3 5 4, we only need one operation : s…
