htj10的博客

std::wstring CharToWchar(const char* c, size_t m_encode = CP_ACP){ std::wstring str; int len = MultiByteToWideChar(m_encode, 0, c, strlen(c), NULL, 0); wchar_t* szBuf = new wchar_t[len + 1]; MultiByteToWideChar(m_encode, 0, c, strlen(c), szBuf, len);

文章目录先序遍历（NLR）中序遍历（LNR）后序遍历（LRN）层次遍历struct TreeNode { int val; struct TreeNode *left; struct TreeNode *right; TreeNode(int x) : val(x), left(NULL), right(NULL) { }}先序遍历（NLR）递归版本void preOrder(TreeNode* root){ if (!root) return; // proces

class Student{public : Student(){ cout << "构造函数\n"; } ~Student(){ cout << "析构函数\n"; } //复制构造函数 Student(const Student& s) { cout << "复制构造函数\n"; } //赋值操作符重载 Student& operator=(Student& s){ cout << "赋值操作符重