称号: Maple trees Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 177 Accepted Submission(s): 63 Problem Description There are a lot of trees in HDU. Kiki want to surround all the trees with the m
题目: Maple trees Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 177 Accepted Submission(s): 63 Problem Description There are a lot of trees in HDU. Kiki want to surround all the trees with the m