寻梦 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 4182    Accepted Submission(s): 3245 Problem Description 每个人的童年都可能梦想过自己成为一个英

Description: A tree (i.e. a connected graph without cycles) with vertices numbered by the integers 1, 2, …, n is given. The “Prufer” code of such a tree is built as follows: the leaf (a vertex that

遇到的问题1 Traceback (most recent call last): File “F:/py/recognition.py”, line 32, in checkbuttonInclude = tkinter.Checkbutton(root,varibale=include_pinyin, File “E:\Anaconda3.8\Anaconda3.8_destination