if(pRoot2 == nullptr) return true; if(pRoot1 == nullptr) return false; 这两个if语句上下反一下,结果就不对了,不明白为啥?有大神能给解释下麽?点赞 相关推荐 03-02 11:38 合合信息_运营管理_HR 合合信息春招 不知道现在大家找工作都看啥,头部大企业确实可以给更大的平台和保底空间,至少辞职...
ReverseNode(tail);//还原}voidMorrisPos(TreeNode*root) {if(root ==nullptr)return; TreeNode* cur =root; TreeNode* mostRight =nullptr;while(cur !=nullptr) { mostRight= cur->left;if(mostRight !=nullptr) {while(mostRight->right && mostRight->right !=cur) { mostRight= mostRight->right;...
voidinorderThreading(TreeNode*root,TreeNode*&prev){ if(root==nullptr) return; inorderThreading(root->left,prev); if(root->left==nullptr){ root->left=prev; root->isThreaded=true; } if(prev!=nullptr&&prev->right==nullptr){ prev->right=root; prev->isThreaded=true; } prev=root; inord...
class RootAdminRole : public RoleOperation { public: RootAdminRole(const std::string &roleName) : m_RoleName(roleName) {} std::string Op() { return m_RoleName + " has A permission"; } private: std::string m_RoleName; }; // 订单管理员(有 B 操作权限) class OrderAdminRole : pub...
* TreeNode(int x) : val(x), left(nullptr), right(nullptr) {} * TreeNode(int x, TreeNode *left, TreeNode *right) : val(x), left(left), right(right) {} * }; */ classSolution{ public: intlen,num; boolflag; voiddfs(TreeNode*root,intnum,vector<int>&arr){ ...
static InstructionsState invalid() { return {nullptr, nullptr}; } }; struct InterchangeableInstruction { unsigned Opcode; SmallVector<Value *> Ops; template <class... ArgTypes> InterchangeableInstruction(unsigned Opcode, ArgTypes &&...Args) : Opcode(Opcode), Ops{std::forward<decltype(Args)>(Args...
}returnnullptr;//未注册该角色,则返回空指针}private://禁止外部构造和虚构RoleFactory() {}~RoleFactory() {}//禁止外部拷贝和赋值操作RoleFactory(constRoleFactory &);constRoleFactory &operator=(constRoleFactory &);//保存注册过的角色,key:角色名称 , value:角色指针对象std::map<std::string, RoleOper...
return new GuestViewContainer(render_frame); } else { return nullptr; } } void RendererClientBase::AddSupportedKeySystems( std::vector<std::unique_ptr<::media::KeySystemProperties>>* key_systems) { AddChromeKeySystems(key_systems); Expand Down 4 changes: 0 additions & 4 deletions 4 atom...
= m_RoleRegistry.end()) {return it->second;}return nullptr; // 未注册该角色,则返回空指针}private:// 禁止外部构造和虚构RoleFactory() {}~RoleFactory() {}// 禁止外部拷贝和赋值操作RoleFactory(const RoleFactory &);const RoleFactory &operator=(const RoleFactory &);// 保存注册过的角色,key:...
#include<type_traits>template<classC>classHasApproxEqualMethod{template<classT>staticstd::true_typetestSignature(bool(T::*)(constT&,double)const);template<classT>staticdecltype(testSignature(&T::approx_equal))test(std::nullptr_t);template<classT>staticstd::false_typetest(...)...