anantheparty的博客

Airport Time Limit: 3000/1500 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 1889 Accepted Submission(s): 602 Problem Description The country of jiu

就是数独 Sudoku Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 9617 Accepted: 3473 Description In the game of Sudoku, you are given a large 9 × 9 grid divided into

1017 - Exact cover Time Limit: 15s Memory Limit: 128MB Special Judge Submissions: 7122 Solved: 3668 DESCRIPTION There is an N*M matrix with only 0s and 1s, (1 <= N,M <= 1000). An exac

好久都没有写博客了，要不起来在写之前，先安利另外一个作者写的 跳跃的舞者，舞蹈链（Dancing Links）算法——求解精确覆盖问题：http://www.cnblogs.com/grenet/p/3145800.html 算法实践——舞蹈链（Dancing Links）算法求解数独：http://www.cnblogs.com/grenet/p/3163550.html 然后vijos上有