Problem Description Bean-eating is an interesting game, everyone owns an M*N matrix, which is filled with different qualities beans. Meantime, there is only one bean in any 1*1 grid. Now you want to eat the beans and collect the qualities, but everyo
Beans Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2596 Accepted Submission(s): 1279 Problem Description Bean-eating is an interesting game, everyone owns an M*N matrix, which is filled w
Beans Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 4456 Accepted Submission(s): 2105 Problem Description Bean-eating is an interesting game, everyone owns an M*N matrix, which is filled w
最长上升子序列LIS问题属于动态规划的初级问题,用纯动态规划的方法来求解的时间复杂度是O(n^2).但是如果加上二叉搜索的方法,那么时间复杂度可以降到nlog(n). 具体分析参考:http://blog.chinaunix.net/uid-26548237-id-3757779.html 代码: #include <iostream> using namespace std; int LIS_nlogn(int *arr, int len) { int *LIS = new int[len