摘要:
题目: Given an n-ary tree, return the preorder traversal of its nodes' values. For example, given a 3-ary tree: Return its preorder traversal as: [1,3,5 阅读全文
摘要:
char * const * (*a) (int b), 按照c++ program language的读法,从右往左读,* 读作pointer to 把(*a) (int b看作整体, (*a) (int b) is a pointer to a const pointer to char , 而 阅读全文