地址:http://acm.split.hdu.edu.cn/showproblem.php?pid=6121 题面: Build a tree Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 1240 Accepted Submission(s): 509 Problem Description HazelFan wants…
Build a tree Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 946 Accepted Submission(s): 369 Problem Description HazelFan wants to build a rooted tree. The tree has n nodes labeled 0 to n−1…