摘要：
Is It A Tree?Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 480 Accepted Submission(s): 174 Problem Description A tree is a well-known data structure that is either empty (null, void, nothing) or is a set of one or more nodes con... 阅读全文
posted @ 2013-02-08 12:11
cssystem
阅读(193)
评论(0)
推荐(0)
摘要：
A Bug's LifeTime Limit: 15000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 425 Accepted Submission(s): 159 Problem Description Background Professor Hopper is researching the sexual behavior of a rare species of bugs. He assumes that they featur... 阅读全文
posted @ 2013-02-08 12:07
cssystem
阅读(210)
评论(0)
推荐(0)
