Self introduction Detailed explanation of academic projects (Components, input, output to your project prototype photo/video ) how do you explain your project to 5 year old kid Pointer Double pointer String program String reverse program Binary search Double pointer Polymorphism Inheritance Function overloading Constructor and destructor Advantage of pointer Function pointer memory segment I want to write a function that does the following: Given a string s that contains only '(', ')', '{', '}', '[', ']', determine whether the string is valid. A valid string needs to satisfy: the opening parenthesis must be closed with the same type of closing parenthesis. Opening parentheses must be closed in the correct order. Each closing parenthesis has a corresponding opening parenthesis of the same type.