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LeetCode 234. Given a singly linked list, determine if it’s...
LeetCode 23. You are given an array of k linked-lists...
LeetCode 21. Merge two sorted linked lists and return a...
Design the data structures for an online book reader system...
Design a parking lot using object-oriented principles. We will focus...
An object oriented design problem. Imagine you have a call...
LeetCode 4. Given two sorted arrays nums1 and nums2 of...
The singleton design pattern is a type of creational pattern...
The factory design pattern is a type of creational pattern...
Sometimes an object must store a way to access the...
A friend class can access private and protected members of...
A unique_ptr does not share its pointer. It cannot be...
In modern C++ programming, the Standard Library includes smart pointers,...
The shared_ptr type is a smart pointer that is designed...
A template is a blueprint or formula for creating a...
Polymorphism means having more than one function with the same...