最近进入了dfs关于剪枝方面的学习,遇到的第一道题就是hdu的1010.一道很基础的剪枝..可我不幸地wa了很多次(待会再解释wa的原因吧QAQ),首先我们来看一下题目. Problem Description The doggie found a bone in an ancient maze, which fascinated him a lot. However, when he picked it up, the maze began to shake, and the doggie c…
Sticks Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 9779 Accepted Submission(s): 2907 Problem Description George took sticks of the same length and cut them randomly until all parts became…
Equation Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 92 Accepted Submission(s): 24 Problem Description Little Ruins is a studious boy, recently he learned addition operation! He was rewa…
Black And White Time Limit: 2000/2000 MS (Java/Others) Memory Limit: 512000/512000 K (Java/Others)Total Submission(s): 3937 Accepted Submission(s): 1082Special Judge Problem Description In mathematics, the four color theorem, or the four color…